there must be s--- diferert between these two skirts.let us look at them carefully.

There's someone outside.Who ___it be?There's someone outside.Who ___it be?It must be Mary.She promised to come here over at 8:00.A:must B:can C:shall D:need为什么? .It’s not here .It must be _____ ( anywhere ) there There's someone outside .Who ---it be A:must B:can C:shall D:need 选哪一个 What's that in the tree,can you see?There must( ) some birds( ) in itA,are;sitting B be;sit C have;sitting D.be;sitting See who's there!Can it be Mary?See who's there!____it be Mary?a.may b.must c.can d.will这题答案为什么选C不选D呢? “Will you go to John's party?” “It’s said that there must be _______ interesting people.” (5 分)A.so B.alotof C.much D.verymuch There must be something wrong. There ___something in the bag It's so heavyA must haveB must be C can'tD might be 初中英语look!the light in the teacher's office is on .there must be ___ in it.A.everyone B.someone C.no one D.anyone He asks that he ________ an opportunity to explain why he’s refused to go there.A.is given B.must give C.should give D.be given Precious things are very few-That must be why there's just one of you… there must be s--- diferert between these two skirts.let us look at them carefully. -Whose new car is there?-It____Mr White's.but I'm not so sure.A must be B might belong toC maybe D may be为什么选D呢? He must be still there,____ A.mustn't he,B.isn't he C.must he.D.is heHe must be still there,____ A.mustn't he,B.isn't he C.must he.D.is he There must be something wrong with our machine,__there?A.is B.can'tC.must d.isn't there--------a tall tree in front of the building over there,didn't there?a.was b.would be c.must be d.used to be -Look!What's the driver doing by the road?( ) —There is a tyre on the roadside.1.-Look!What's the driver doing by the road?( )—There is a tyre on the roadside.He ___ his car.A.must be repairing B.must repair C.may repair D.could be repairing2.I c Listen.There must be someone_____ in the classroomA.sings B.to sings C.sing D.singing