问题

John, why are you so tired?—I ______ pingpong with Jimmy.

A:play
B:played
C:have played
D:have been playing

正确答案是：

同类题型

____ are you from

There are many things in different areas ________ we can do to reduce the possible dangers of AIDS

This is such an interesting book ______ everyone likes to read .——Yes , but there are few such books _______ in the bookstore now .

What’syour name, please — _____name is Gina Smith.

We are not responsible for the breaking of _____ items in the post so you have to be careful when packing them up. [ ]