We must C----------- your food well before you swallow it

We must We must C----------- your food well before you swallow it “Must we do it now?” “Yes,you ______.A.can B.must C.may We must value what we we must buy things we ( )A.need not B.do not need C.have not If we find a fire,we must call___________A.120 B.119 C.112 D.122 We must ( )(work)hard. we must call the We must help them? we must help it why we must sleep We must learn it we must find a We must purify the When we write,we must write as_______as we can.a、careful b、 carefully c、 more careful d、more carefully After class,we must (c )our (c )括号里,根据首字母填空 After class,we must (c )our (c )括号里,根据首字母填空 We ____ smoke in the Forbidden City a.can b.must c.can not d.must not