we must learn from lei feng,_we? A may B can't C don't D nee
we must learn from lei feng,_we? A may B can't C don't D nee
I don't think it __be true A can B may C must D has to选哪个为什么
we should learn from Lei Feng.His spirit___today.a.puts b.li
I don't think you __work so hard.A may B must C had better D
we must l___ from Lei Feng
() l clean the room?yes you A Must can B Must may C Need nee
Must we line up?No,you____.A.mustn't B.needn't C.can't D.sho
选词填空!We( )pick the flower in the park.A.can’t B.don't C.must
May I go there by bike?A.aren't B.don't C.can't
Tom____any help,he can manage to do it.A,needn't B.don't nee
1.I wish to go home now,___ I A.may B.can't C.must D.do
a may have b needn't have c couldn't have d must have