题目内容
用情态动词填空
-________ you explain the sentence again?
-OK.I will.
Mary ________ play the piano well when she was quite young.
-________ I clean the classroom before three o’clock?
-No, you needn’t.
The soldier shot his comrades.He ________ have been mad.
The tree is dead.He ________ have given it more water.
-________ he have finished the work?
-I don’t think so.