— The floor is too dirty. — I know. It _

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问题选择题

— The floor is too dirty.

— I know. It _______ for weeks.

A．hasn’t cleaned

B．didn’t clean

C．hasn’t been cleaned

D．wasn’t cleaned

答案

答案：C

句型转换

按要求改写句子

1. They are having an English class. (用this afternoon 改写句子)

____________________________________________________________.

2. Lucy heard from her parents last week. (改为同义句)

____________________________________________________________.

3. We had to wear the raincoat because of the heavy rain. (对画线部分提问)

____________________________________________________________?

4. to, newspapers, send, them, magazines, and (连词成句)

____________________________________________________________.

单项选择题 A1/A2型题

预防流行性乙型脑炎的最主要措施是（）

A.隔离患者

B.加强猪的管理

C.疫苗接种

D.防蚊、灭蚊

E.防鼠、灭鼠