184. In no time the locusts came down and started eating everything --- the wheat, the corn, the grass and even the _____ on the tree.
A. leaf B. leafs C. lemon D. leaves
183. Hearing the funny speech given by the famous professor, all of us burst into _____.
A. laughed B. laughter C. laughing D. laugh
182. To the sea captain’s surprise, he found that travel could also be quite pleasant.
A. earth B. land C. ground D. plain
181. In the hospital, there are a lot of _____.
A. ladies doctors B. lady doctors C. ladies doctor D. woman doctors
180. There is a _____ of understanding between them. Otherwise, they will be good friends.
A. sufficiency B. abundance C. adequacy D. lack
179. In China, the majority of men earn their living by manual ______.
A. labour B. task C. job D. work
178. There are four basic _____ of blood in the human body. What do you belong to, A, B, AB or O?
A. kinds B. sorts C. types D. classes
177. You should turn to Mrs. Green. She is the key figure in the company. The underlined part probably means _____.
A. a person who has the key B. a very important person
C. a new product D. a new policeman
176. Three times the accused was brought to court for trail, he was sentenced half a year’s imprisonment by the _____.
A. lawyer B. official C. officer D. judge
175. I preferred to go there by plane, but I hadn't enough money to pay for the _______.
A. trip B. voyage C. journey D. tour