Question

几道英语题，急！

1、他们此刻正忙着打扫卫生。
They are ____ doing ____ cleaning ____ ____.
2、跑步有助于我们增强体质。
Running can help us to ____ ____ ____ ____.
3、恐怕李老师不能给我们做报告了。
I'm afraid Mr.Li can't ____ ____ ____ ____.
4、Last winter ,it didn't rain for a long time. Farmers had to water crops.（将第二句话改为一般疑问句，并根据实际情况作答。）
____ farmers ____ ____ water crops?
____,____ ____.
谢谢大家了！

Answer 1

1.They are busily doing some cleaning right now.
2.Running can help us to keep our body healthy.
3.I'm afraid Mr.Li can't make reports to us.
4.Did farmers have to water crops?
Yes,they did.