The drug must be————to sufficiently severe tests before it is used in patientsA submitted B subjected C imposed D exposed为什么是ado you like pizza i don't care __ ita about b much in c of d much for 麻烦给个理由谢谢

The drug must be————to sufficiently severe tests before it is used in patientsA submitted B subjected C imposed D exposed为什么是ado you like pizza i don't care __ ita about b much in c of d much for 麻烦给个理由谢谢 the owner must be a boy（否定） the owner——be a boy 英语虚拟语气用法.—It was the drug,not the disease,that killed the boy.—He would be still alive today if he ________ that drug.A.not take B.shouldn’t have takenC.didn’t take D.hadn’t taken...正确答案不是C......汗.请问cakes, the room must be clean还是must be cleanedMother said to her daugther“The room ——— before you leave.. It must be obvious — the problem itself is.AwhatIt must be obvious — the problem itself is.Awhat Bthat Cwhich Dwhy I refused to take the drug (as not to become addicted.) 问括号里的句子结构属于——. I refused to take the drug (as not to become addicted.) 问括号里的句子结构属于——. the new teaching building must be completed——tow months,because we'll You must be —(kid).There is no person in the house. The people trapped by the fire in the builing must be r ——as soon as possible It _ Mary who was in the room.I'm sure it _— It ___ Mary who was in the room.— I'm sure it ___.A.can't be,can't be B.must be,mustn't beC.must be,can't be D.can't be must be Who______ it be that is knocking at the door?—It ______ be Father,but I’m not sure.A.can; must B.can; may C.must; can D.may; must When you have eliminated the impossible, whatever remains, however improbable, must be the truth.——Sherlock Holmes啥意思 英语介词填空1.The doctor stands —— what she has said:patients need to be told about the risks associated with the drug.2.Every day more young people are infected with HIV—often completely unaware they have been personally at risk—and ri There must ——（be）many sheep. 在线I refused to take the drug (as not to become addicted.) 问括号里的句子结构属于——. the little boy ——by the drug-pusher to carry drugs for him一个选择,说明原因the little boy ——by the drug-pusher to carry drugs for himA:was made use of B：was made use C:was made used D:was made used ofE:was made to use F：was made t 改错,将正确答案写在横线上 You must be quiet near the bird's cage.——-