上课铃响了,教师走进教室,班长应该说:( )A.Please come in.B. Good morning.C. Stand up.
( ) When will you ____ home? A. goes B. go C. going
( ) What are you going to ______? A. do B. does C. doing
( ) My best friends Sam and Amy ____ going back to the UK. A. is B. are C. has
( ) Come back ___ China sometimes! A. to B. of C. in
( ) We’re going to ____ middle school this September. A. start B. starts C. starting