问题

Be careful not to drop it; it’s very ______

A:was writing
B:wrote
C:hadwritten
D:have been writing

正确答案是：

同类题型

Do you have anything to say for yourselves?—Yes，there is one point________ we must insist on.

What do you think of the suggestion we organize a football club?

t the friction betweenfeet and the ground, people would ______ be able to walk.

I don’t know _____.

Can you ________ English—Yes, but only a little.