二、单项选择题
21. He made _______ breakthrough in his research. As ______ result, he was highly praised.
A. a; / B /; / C /; a D a; a
22. Archeologists found the tomb was delicately designed, _______ of front, back and side rooms.
A consisted B to consist C consisting D having consisted
23. The transportation has improved a lot in our city, with two new roads _______ last year.
A constructing B to construct C constructed D construct
24. ---- Sorry, but I can’t visit you tomorrow.
---- I understand. Come whenever it is at your ________.
A preference B administration C convenience D service
25. Tony hopes that his Chinese teacher will suggest a good way to have his Chinese ______ in a short period of time.
A improved B improving C to improve D improve
26. If _______, Mr. Brown, who is rich in experience, will turn out to be an excellent manager.
A chosen B choosing C to be chosen D having chosen
27. Considering that you have no _______experience, it’s doubtful that you’ll get the job.
A efficient B previous C original D unusual
28. Don’t say any more; we all believe the facts rather than your words. What you have explained doesn’t make