Question

_______, I think, and all the problems could be settled. A．If you make more efforts B．Makin.

_______, 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

句中有并列连词and，故应选择C项。其中名词短语相当于一个祈使句，完整的句子为：Make more efforts, I think, and all the problems could be settled.如选A , and要删去。