You must be c_______ when you do your Maths homework.

You must be c_______ when you do your Maths homework. You must do your homework now,Sam. You must _____(do) your homework carefully. You must do your homework(祈使句) You must turn off the radio when you do your homework.被动 When did you c_______ your housework yesterday? Be careful when you c_______ the street When you finish doing your homework ,you must c_____ it. try to be as____ as you can when you do your homework(care) You must do your homework now(改为一般疑问句） You must do your homework on time 改为祈使句 you must do your homework on time.改为祈使句