( ) Come back ___ China sometimes!
A. to B. of C. in
( ) We’re going to ____ middle school this September.
A. start B. starts C. starting
( ) We’re also going to _____ new friends.
A. meet B. meeting C. met
( ) I’m very sad to ____ goodbye to you .
A. say B. says C. saying
( )Keep ____ practicing Chinese in the UK.
A. in B. on C. for