[答案]　去掉being

　　4．There is some doubt that their football team will win the match._______ _____

　　[答案]　that→whether

　　5．More attention should be paid to improve the safety of school buses, which has become a big concern of the whole society.____________

　　[答案]　improve→ improving

　　Ⅳ.单句写作

　　1．高中生活被认为是我们人生中最重要的一段时间。

　　High school life ________________________ period of time in our life.

　　[答案]　is considered as the most important

　　2．在我这个年纪，我觉得很难找到另一份工作。

　　At my age I would ________________.

　　[答案]　find it hard to get another job

　　3．可能他今晚会给我打电话。

　　________________ he'll ring me tonight.

　　[答案]　It's likely that

　　4．毫无疑问，姚明是中国最出色的篮球运动员之一。

　　________________Yao Ming is one of _______________ in china.

　　[答案]　There is no doubt that; the most outstanding basketball players

　　5．这位冒险者醒来，发现自己被长绳捆在地上。

The adventurer woke up and ________________ down with long ropes to the ground.