Question

3.  ______, I think, and all the problems could be settled.

A. If you make more efforts

B. Making more efforts

C. A bit more effort

D. To have made more efforts

Answer 1

C

解析:

選C。句中有并列連詞and，故應(yīng)選擇C項(xiàng)。其中名詞短語(yǔ)相當(dāng)于一個(gè)祈使句，完整的句子為：Make more efforts, I think, and all the problems could be settled.如選A , and要?jiǎng)h去。