日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

Many a student  _____ that mistake before.

 A．has made B．have made C．has been made D．had made

Many a student  _____ that mistake before.

A．has made B．have made C．has been made D．had made

Many a student ______ made that mistake before, which is another way of saying a great many students ________ made that mistake.

A. had; has                B. has been; have         C. have; has                 D. has; have

Many a student ______ made that mistake before, which is another way of saying a great many students ________ made that mistake.

A. had; has            B. has been; have         C. have; has             D. has; have

Many a student                that mistake before.