单项选择题
A fireman discovered the()of the fire.A、truthB、reasonC、...
单项选择题A fireman discovered the()of the fire.
A、truthB、reasonC、causeD、fact
Paul doesn't have to be made______. He always works har...
单项选择题Paul doesn't have to be made______. He always works hard.
That young man has made so much noise that he______not ...
单项选择题That young man has made so much noise that he______not have been allowed to attend the concert.