This must be a _________ house.It is very old and no one lives in it.A.desered B.desert C.to deser D.deserting

I think he must be a teacher,_____ _____. 6.---Was that new school master who walked by --- _____.A.It must be that B.It must have beenC.He must be D.This must have been请问这个题为什么选B This _______be a woman’s handkerchief.It _____ be a man’s.A.cannot; mustB.cannot; mayC.must not; canD.cannot; can it must be _____(interest) That every vehicle,whether it is a car,a bus or a truck,must _____ twice a year driver must obey in this city.A.examing B.examined C.having been examined D.be examined为什么选D呢, _____ so much work to do,I must be very busy this weekend.A.With B.Besides C.As for D.Because 选择 Such films _____ by children like you.A.must be not seen B.must not be see C.must not seen D.must not be seen 3道初二的英语单选题1.We are now short ____ fresh water.Something____ to stop people from polluting it.A.for,must be done B.of,must be donec.for,must do D.of,must do2.The lost boy _____ early this morning .A.found B.was founded C.was found D. This red pencil____Lucy's.She likes red very much.A.must be B.must is C.can be There _____(be)a lot of wind this summer. This kind of food___cool,dry.A.shoud be placed B.must be kept选择哪个? 必须采取措施防止此类事故在该市发生 用英语怎么说Something must be done _____ _____this kind of accident _____ _____ in this city. You have to be _____ when asking for help You must be _____ to drive in this weather在空格填上一个适当的英语单词,我想了很久 I phoned you at 9:00 this morning but got no answer.l am sorry .l _____ the bell.l____in the garden .A haven't heard,must have been.B didn't have heard,must beC didn't hear,must have been D didn't hear,must be 选哪个?为什么? We must tell our teacher something _____ this.A.about B.to C.with D.for This doesn't look like _____(我的）dictionary.It must be ____(你的） 变反意疑问句You must be joking,_____? _____(safe) must be ______(first)