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四、查漏补缺。（用所给单词的适当形式填空）
1. What ______ the room dirty? Who can ______ the room clean? (make)
1. What ______ the room dirty? Who can ______ the room clean? (make)
答案：
makes；make
解析：第一句主语是what，视为单数，谓语动词用第三人称单数形式makes；第二句情态动词can后接动词原形make。
解析：第一句主语是what，视为单数，谓语动词用第三人称单数形式makes；第二句情态动词can后接动词原形make。
2. There ______ a lot of fish in the river two years ago，but now there ______ a lot of rubbish in it. (be)
答案：
were；is
解析：第一句时间状语“two years ago”表明用一般过去时，“a lot of fish”指鱼的数量时是复数，be动词用were；第二句时间状语“now”表明用一般现在时，“a lot of rubbish”是不可数名词，be动词用is。
解析：第一句时间状语“two years ago”表明用一般过去时，“a lot of fish”指鱼的数量时是复数，be动词用were；第二句时间状语“now”表明用一般现在时，“a lot of rubbish”是不可数名词，be动词用is。
3. The little monkeys like eating ______ and they always throw the ______ skins in the bin. (banana)
答案：
bananas；banana
解析：第一空“吃香蕉”，香蕉用复数bananas；第二空“香蕉皮”，用名词单数banana作定语修饰skins。
解析：第一空“吃香蕉”，香蕉用复数bananas；第二空“香蕉皮”，用名词单数banana作定语修饰skins。
4. —What can we do ______ our city clean?
—Trees help ______ the air clean. (keep)
—Trees help ______ the air clean. (keep)
答案：
to keep；keep
解析：第一空用动词不定式to keep作目的状语；第二空“help (to) do sth.”表示“帮助做某事”，keep符合，to可省略。
解析：第一空用动词不定式to keep作目的状语；第二空“help (to) do sth.”表示“帮助做某事”，keep符合，to可省略。
5. The policeman ______ (run) after the thief and ______ (try) to catch him yesterday.
答案：
ran；tried
解析：时间状语“yesterday”表明用一般过去时，run的过去式是ran，try的过去式是tried。
解析：时间状语“yesterday”表明用一般过去时，run的过去式是ran，try的过去式是tried。
6. Look! The old man ______. Please show him the sign "No ______". (smoke)
答案：
is smoking；smoking
解析：“Look!”表明第一句用现在进行时，“be+动词现在分词”，主语the old man是单数，be动词用is，smoke的现在分词是smoking；“No smoking”是固定短语，意为“禁止吸烟”，第二空用smoking。
解析：“Look!”表明第一句用现在进行时，“be+动词现在分词”，主语the old man是单数，be动词用is，smoke的现在分词是smoking；“No smoking”是固定短语，意为“禁止吸烟”，第二空用smoking。
五、情景交际。（选择合适的句子将对话补充完整，将序号写在横线上，其中有一项多余）
A. In the afternoon I listened to music.
B. When and where shall we meet?
C. What did you do yesterday?
D. I caught fish and picked oranges.
E. It was great fun.
F. Let's go to the farm.
A：Hi，Li Ming. ______
B：In the morning I watched TV. ______ How about you?
A：I went to a farm.
B：Really? What did you do there?
A：______
B：______ I want to visit the farm too.
A：I'll go to the farm next Saturday. Would you like to go with me?
B：Sure! ______
A：What about eight o'clock at the school gate?
B：OK.
A. In the afternoon I listened to music.
B. When and where shall we meet?
C. What did you do yesterday?
D. I caught fish and picked oranges.
E. It was great fun.
F. Let's go to the farm.
A：Hi，Li Ming. ______
B：In the morning I watched TV. ______ How about you?
A：I went to a farm.
B：Really? What did you do there?
A：______
B：______ I want to visit the farm too.
A：I'll go to the farm next Saturday. Would you like to go with me?
B：Sure! ______
A：What about eight o'clock at the school gate?
B：OK.
答案：
C；A；D；E；B
解析：第一空，A打招呼后，B回答早上做的事，可知A问昨天做了什么，选C；第二空，B说早上看电视，接着应说下午做的事，选A；第三空，B问在农场做了什么，A回答做的事，D符合；第四空，B听了A的话，觉得有趣，E符合；第五空，A说下周六去农场，B同意，接着问见面时间地点，B符合。
解析：第一空，A打招呼后，B回答早上做的事，可知A问昨天做了什么，选C；第二空，B说早上看电视，接着应说下午做的事，选A；第三空，B问在农场做了什么，A回答做的事，D符合；第四空，B听了A的话，觉得有趣，E符合；第五空，A说下周六去农场，B同意，接着问见面时间地点，B符合。
六、查漏补缺。（根据上下文或首字母提示填空，完成短文）
Here are some easy things you can do to make our city clean and beautiful.
* P______ more flowers and trees.
* When you v______ a park，take away what you bring there，keep r______ in a bag and put it in a b______.
* Turn off the lights and the TV when you are going out.
* Turn off the tap(水龙头) when you b______ your teeth.
* Use g______ cups.
Here are some easy things you can do to make our city clean and beautiful.
* P______ more flowers and trees.
* When you v______ a park，take away what you bring there，keep r______ in a bag and put it in a b______.
* Turn off the lights and the TV when you are going out.
* Turn off the tap(水龙头) when you b______ your teeth.
* Use g______ cups.
答案：
Plant；visit；rubbish；bin；brush；glass
解析：第一空，“种更多花草树木”，“种植”译为plant，祈使句用动词原形；第二空，“参观公园”，“参观”译为visit；第三空，“把垃圾放在袋子里”，“垃圾”译为rubbish；第四空，“放进垃圾桶”，“垃圾桶”译为bin；第五空，“刷牙”，“刷”译为brush；第六空，“使用玻璃杯”，“玻璃”译为glass。
解析：第一空，“种更多花草树木”，“种植”译为plant，祈使句用动词原形；第二空，“参观公园”，“参观”译为visit；第三空，“把垃圾放在袋子里”，“垃圾”译为rubbish；第四空，“放进垃圾桶”，“垃圾桶”译为bin；第五空，“刷牙”，“刷”译为brush；第六空，“使用玻璃杯”，“玻璃”译为glass。
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