【题目1】Their requirement that he one year's experience is reasonable.
A. had B. has
C. have D. would have
【题目2】Pollution has reached high level in some urban areas, which is quite worrying.
A. disturbingly B. slightly
C. exactly D. flexibly
【题目3】—You've made great progress in your studies of English, haven't you?
—Yes, but much .
A. remains to do B. is reminded to
C. remains to be done D. is remained to be done
【题目4】_____ you visit the website, you can find the information you need.
A. Although B. As long as C. Since D. Unless
【题目5】They worked for two hours to rescue the man ____ was injured in the accident.
A. whose B. which C. why D. who