You must c your answers when you finish them.中间的空怎么填啊?

you must c your shoesc什么? you must keep your We must C----------- your food well before you swallow it You must take your classroom （ ） ...You must take your classroom （ ）A clean B cleaned C cleanning D cleans You must look ()your camera. ok you must keep your you must obey your father. You must c your answers when you finish them.中间的空怎么填啊? You must c your answers when you finish then.中间空着的应该填什么? () you ().You must look for your camera. You must do your homework_______after school.A.first B.next C.finally D.then you must finish your homework before____to bedA.go B.goes C.going选什么?为什么? You must help your parents____ the housework after schoolA about B with C of D doing You must make your classroom ( ).A clean B cleaned C cleaning D cleans tom! you must ----your things, A;take, B; to take C;taking D;takes,那个? Lily,you must look ----- your clothes.A.at B.like c.after D.on You must do your esercises________.A、careful B、carefuily C、more careful D、more carefully急 The red traffic light ___that you must stop your car. A.means. B.sings. C.speak