21.I suggested not only ________ to the meeting but also give a speech there.
A.did he go B.his going
C.should he go D.he should go
答案与解析:C 考查倒装句。句意:我建议他不但要参加这次会议,而且还要在那做报告。not only...but also...引导两个并列句子时,not only引导的句子要倒装。再根据前面主句是“I suggested...”可以排除A项。因此C项为正确答案。