基本信息
21. He denied _____ these cameras before.
A. having seenB. to seeC. seeD. to be seen
22. Regardless _____ our mistakes, the teacher corrected our thesis patiently.
A. in B. ofC. for D. about
23. As a result of destroying the forests, a large _____ of desert _____ covered the land.
A. number; hasB. quantity; hasC. number; haveD. quantity; have
24. He to paint the whole house but finished only the front .
A.set about B.set off C.set out D.set in
25. Since you have come so far with your experiment, you _____ carry it through to the end.
A. may B. mightC. may wellD. may as well
26. When I turned to the person _____ next to me, I recognized that he was my schoolmate.