When he saw a wallet on the playground , he at once . A. picked it up B. gave it up. C. picked up it.
—Hi, Mary. __________? —Not so well. I can’t keep up with the other students.
—What did your son say in the letter? —He told me that he __________ the Great Wall the next day.
—Would you please tell me __________? —OK, her name is Cici.
There is going to __________ an English party tomorrow evening.
The boy was able to __________ himself when he was very young.