--Mary has changed a lot.
--Yes.She _______short,but now she is very tall.
A. used to be B. is used to be C. is used to being D. used to being
--Where is Mr. Wang?
--He _________Beijing for three days.
A. went to B. has gone to C. has been to D. has been in
It’s not a good idea to _______these old buildings in the city.
A. take down B. turn down C. cut down D. put down
--Where were you when I called you yesterday evening?
--I_________dinner with my friends in a restaurant.
A. have B. am having C. was having D. have had
The boy is very smart.He knows a lot _____he is very young.
A. but B. though C. so D. because
--_________the population of China now?
--It’s more than 13 billion.
A. What’s B. How many are C. How much is D. What’re