A fireman discovered the（）of the fire.

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.

There are______dressmakers in the U. S. than in Europea...

单项选择题There are______dressmakers in the U. S. than in European countries.