用所给动词的适当形式填空

The girl must ________(leave)for town．We don’t see her anywhere on the farm．

用所给动词的适当形式填空

There must ________(be)something wrong with my computer．Can you help me to fix it?

用所给动词的适当形式填空

－What do you think that noise was?

－It might ________(be)a cat．

用所给动词的适当形式填空

What he is saying may not ________(be)true? I don’t think she is such a kind of woman．

用所给动词的适当形式填空

He can’t ________(hear)us because there was terrible noise from the street．

用所给动词的适当形式填空

Where can he ________(be)now? There’s something important to tell him at once．

用情态动词填空

－________ he have finished the work?

－I don’t think so．

用情态动词填空

They ________ be writing their compositions in the classroom now．I saw them in the classroom．

用情态动词填空

The tree is dead．He ________ have given it more water．

用情态动词填空

The soldier shot his comrades．He ________ have been mad．