Theteachermadeareque的精选

问题详情：Theteachermadearequestthatallthehomework________beforeclass.A．shouldhandin B．mustbehandedinC．behandedin D．werehandedin【回答】C[request后名词*从句中的谓语动词要用“should＋动词原形”形式，should可以...