《2025年中等职业学校学习与职业能力培养英语第一册》

巩固练习
（ ）① — Where's Mr. Lee? I have something unusual to tell him.
— You ______ find him. He ______ Japan.
A. may not；has gone to B. may not；has been to
C. can't；has gone to D. can't；has been to

答案： C
解析：can't表示“不可能”，has gone to表示“去了某地（未回）”，has been to表示“去过某地（已回）”。此处指李先生去了日本，找不到他，选C。

（ ）② — Finish drawing a horse in ten minutes. OK?
— Sorry. It ______ in such a short time.
A. may do B. can't be done C. must do D. needn't be done

答案： B
解析：it指代“画马”，与do是被动关系，根据sorry可知“不能在短时间内完成”，选B。

（ ）③ The boy ______ answer this kind of hard questions one year ago.
A. can B. may C. could D. must

答案： C
解析：one year ago是过去时间，用could表示过去的能力，选C。

巩固练习
（ ）① — Who is the man over there? Is it Mr. Li?
— No，it ______ be him. Mr. Li is much taller.
A. mustn't B. may not C. can't D. needn't

答案： C
解析：根据“李先生更高”可知“不可能是他”，can't表示否定推测，选C。

（ ）② — Listen! Someone is singing in the next room. ______ it be Lily?
— No. She ______ be singing here. She is at school now.
A. Will；may not B. Must；mustn't C. May；can't D. May；won't

答案： C
解析：may表示“可能”，用于疑问句；can't表示“不可能”，根据“她在学校”可知“不可能在唱歌”，选C。

（ ）③ — ______ Mr. Hu have finished his work?
— No，he is still working in his office now.
A. Must B. Needn't C. Will D. Can

答案： D
解析：can用于疑问句表示推测“可能”，选D。