C. five years junior to D. five years more junior than

　　21. You me because I didn't say that.

　　A. must have misunderstood B. must misunderstand

　　C. must be understood D. had to misunderstand

　　22. Can machines perform the same tasks ?

　　A. that man does B. what man does

　　C. now man does D. as man does

　　23. It is the boy's laziness that his failure in the exams.

　　A. resulted from B. brought in

　　C. resulted in D. led into

　　24. his wealth, he is not happy.

　　A. Except for B. In spite of

　　C. Because of D. Besides

　　25. _ you work, the greater your progress will be.

　　A. Harder B. The hardier C. Hardier D. The harder

　　26. John and Sally all their problems cheerfully.

　　A. coped with B. handled with C. dealt in D. turned up

　　27. It was the training that he had made him such a good technician.

　　A. has B. what C. later D. that

　　28. Some elderly people are their beds at hospital. They need our help.

　　A. confined to B. locked to C. tied with D. limited by

　　29. No sooner had the late-airport gentleman got to the airport the plane took off.

　　A. when B. where C. while D. than

　　30. If successfully, the plan will completely change the traffic.

　　A. carrying B. carried out C. to carry D. carry out

　　31. Within a few years he was from an ordinary clerk to the manager of the company.

　　A. promoted B. raised C. developed D. improved

　　32. Though they disliked the tone of his speech, they finally decided to his suggestion for it sounded practical.

　　A. adapt B. adopt C. use D. receive

　　33. The paint is still wet. !

　　A. Be sure to not it B. Be sure not to touch it

　　C. Be not sure to touch it D. Don't be sure to touch it

　　34. , it is quite easy to drill a hole on it with laser.

　　A. Hard although the diamond is B. How hard is the diamond

　　C. As the diamond is hard D. Hard as the diamond is

　　35. the students had to go to bed.

　　A. The lights had gone out B. The lights having gone out

　　C. The light went out D. The lights have gone out

　　I. Vocabulary and Structure