Adults sometimes envy children who play all the time____they themselves have to work.rain orshine.
正确答案: A
本题解析: 暂无解析
They promised____each other when they went to work.
Mrs.London has____that she is unable to get a job.
While I was waiting for her ,I killed time____looking in the show windows.
The red color can stimulate all our____,including appetite.