问题

I wonder what makes you a successful manager.—-I ______ as a waiter for five years, which contributes a lot to my today’s work

A:serve
B:have served
C:had served
D:served

正确答案是：

同类题型

下列各句中,没有语病的一项是（）

Can I help you—Thanks. But I think the box is ______ heavy for you ______ carry.

Thank you very much for your nice present. — ____________.

There are ______ people in the room, so it’s very crowded (拥挤的) .

was a question,How did you get it right—I just tried my luck