His business was very successful，but it was at the ______ of his family life.
| A．consumption | B．credit |
| C．exhaustion | D．expense |
25. ---- Ricky, why hasn’t Billy been with us these days?
---- Oh, he is _________for next month’s 400m race.
| A．standing out | B．taking up | C．backing out | D．working out |
24. – Jack, when shall we go to visit Mr. Smith?
– It’s up to him. We’ll go to see him whenever _______.
| A．he is convenient | B．he will be convenient |
| C．it will be convenient for him | D．it is convenient for him |
23. He spoke very slowly, but he still didn’t get his meaning _______.
| A．across | B．cross | C．through | D．Though |
22. ----I’m going downtown. ----Come on, _______.
| A．I’ll give you a lift | B．You are welcome | C．Don’t do that | D．Come with me |
第二部分英语知识运用（共两节，满分45分）
第一节：单项填空（共15小题，每小题1分；共15分）
从A、B、C、D四个选项中选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21.This bag is twice ______ weight of that one. You’d better carry ______ lighter one of the two.
A. /; / B. a; the C. the; the D. the; a