1.

　　①The thief ____________ the room and stole some money.

　　②Please don't ____________ on our conversation.

　　③He ____________ and cried when he heard the news.

　　④Civil War could come if the country ____________.

　　[答案]　①broke into　②break in　③broke down

　　④breaks up

　　2.

　　①__________ hard he tried, he didn't pass the Entrance

Examination.

　　②__________ he did, he couldn't satisfy his boss.

　　③__________ I met her, she always smiled.

　　④__________ you are, you must show your pass.

　　[答案]　①However　②Whatever　③Whenever

　　④Whoever

Ⅲ.单句改错

　　1．This is a house belonged to my grandfather, who died ten years ago.____________

　　[答案]　belonged→belonging

　　2．The operation was a success and she is now out of the

danger.____________

　　[答案]　去掉第二个the

　　3．The three men broke in the store and stole some

goods.____________

[答案]　in→into