A.dating back B.dated back to C.dating back to D.dated from
单项选择题—()do you visit your grandparents before —Every winter.
A.How long B.How often C.How soon D.How much
单项选择题She told her neighbour that he () the well known scientist if he had attended the lecture.
A.could meet B.might have met C.might meet D.would meet
单项选择题Those guests()the front row came here from a European country early this morning.
A.who seated B.seating C.were sitting D.seated
单项选择题—Will your friend go for a picnic this Sunday —If I don't go, ().
A.so does he B.so he will C.neither does he D.neither will he
单项选择题Many kinds of flowers were () on Dong Feng Square last month.
A.on show B.on land C.on earth D.on watch