问题

In order to find the missing child, villagers _______ all they can over the past five hours

A:did
B:do
C:had done
D:have been doing

正确答案是：

同类题型

There have been several new events (项目) _____ to the program for the 2008 Beijing Olympic Game[ ]

We haven’t heard form Jane for a long time—what do you suppose ___ to her?

Tom is as _____ as Mary.

I told them not everybody could run as fast as you did, ________

in the corner, sat threegirls,_______