—_____ my daughter is only ten years old, she knows a lot.—What a clever girl!
The students found _______ easy to work out this maths problem.
New York is bigger than __________ in Australia.
We all think we are tired after the long work. Let,s stopa rest.
My aunt arrivedGuangzhouthe morning of March 13.
Robots(机器人)are to do the same thingspeople.