相关试题
It's fine today． Let's go out for a walk．
（ ）
| A． |
What a surprise! |
| B． |
That's a good idea! |
| C． |
Have a nice day! |
| D． |
I'm not sure about that! |
Hawking's book A Brief History of Time came after years' hard work．（ ）
| A． |
out |
B． |
on |
C． |
down |
D． |
up |
Today， with the Internet， people can communicate than ever before．（ ）
| A． |
easily |
B． |
more easily |
| C． |
most easily |
D． |
the most easily |
We on the playground when it began to rain．（ ）
| A． |
ran |
B． |
were running |
| C． |
run |
D． |
have run |
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