就划线部分提问。
11．They are cleaning their classroom now ．
they cleaning now ？
12．It'll be cloudy this afternoon．
will this afternoon ？
13．The capital of America is Washington D．C．（华盛顿）．
the capital of America？
14．I've worked here for ten years．
have you worked here？
15．I watch TV every night．
you watch TV？
16．We often go out for a walk in the evening．
you often go out for a walk？
17．The blouse cost two hundred yuan．
the blouse cost？
18．It's about ten kilometres away from here．
is it from here？
19．They went to the countryside with me．
With they to the countryside？
20．Hundreds of poeple died in the accident．
people in the accident？
参考答案：
11．What are 12．What；the weather be like 13．What is 14．How long 15．How often do 16．When do 17．How much did 18．How far 19．whom did；go 20．How many ；died
