35. If the firms failed to make enough money, they would 　　　　　.　

A. turn down　　　　 B. call off　　　　　　　　　 　　　 C. close down　　　　　　　　 D. set off

34.　 Why not try your lick downtown, Bob? That’s ______ the best jobs are.　

A. where　　　 　　　　B. what　　　 　　　　C. when　　　 　　　　D. why

33. Many of them turned a deaf ear to his advice, _______ they knew it to be valuable.

A. as if　　　　 　　　B. now that　　 　　　　　C. even though　　　 　　D. so that

32. Eric received training in computer for one year, _____ he found a job in a big company.　

A. after that　　　　 　B. after which　　 　　　　C. after it　　　 　　D. after this

31. Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.

A. on　　　　　　　　　　 B. from　　　　　　　　　　　　　 C. by　　　　　　　　　　　　　 D. in

30.　 Although the country has had political independence for over a century,　　 it needs the support of its neighbors.　

　　 A. naturally　　　　 B. economically 　　　　　　　 C. especially　　　　 D. luckily