问题

Last week,Susan and David,________our university’s student association,met the Chinese guests at the New York airport. [ ]

A: to represent
B: representing
C: represented
D: having represented

正确答案是：

同类题型

_ What ______ useful book!_ Is it _____ one that you borrowed from MrGreen yesterday.

he failed, he tried _______ it againand again

He promised to tell me by himself when I______

do you think of teaching, Bob—I find it fun and challenging. It is a job ______ you are doing something serious but interesting.

The manager said that they had an _____ plan if the plan they had submitted was not accepted.