It is ________ he often fails in exams ________ makes his parents worried about him.
| A．what；that. | B．that；what. | C．that；that. | D．because；that. |
________ is impossible for us to offer him any help.
| A．This | B．It | C．That | D．which |
So excited was the winner that he couldn’t say any word to his feelings.
| A．expose | B．convey | C．display | D．deliver |
How dirty the floor is! You should have someone _____ it at least twice a day.
| A．mop | B．to mop | C．mopping | D．mopped |
Our neighbor offered to look after our baby while we were away, ____ was very kind of her.
| A．it | B．that | C．which | D．such |
Never judge a man by his _____ alone — you might be fooled by what he looks like.
| A．appearance | B．character | C．intelligence | D．application |