Whether you cleaned the room?是什么句

Whether you cleaned the room?是什么句 英语问题·if和whetherWhen you buy new clothes,you should look at them carefully to make sure ____ they need to be dry-cleaned.A.ifB.whether答案给的是B,为什么不能用if呢? Did you cleaned your room?改错! Don’t you think you’d better _____A. to have your machine cleaned B. to have cleaned your machineC. had your machine cleaned D. have your machine cleaned Have you cleaned your bed ______ Yes,I have ___Have you cleaned your bed ______ Yes,I have ______ cleaned it. did you cleaned the room last night错在哪 I (cleaned my room)yesterday ,划线部分提问------ ------- you--------yesterday John,you must get your roome ________after breakfast.A.to be cleaned B.to clean D cleaned 3.Mary,you must get your room___today after school.A.cleaned B.clearingC.to clean D.to be cleaned whether I am afarid you can't go into the bedroom.It________yet.A.hasn't been cleaned B.hasn't cleaned(续上）C.isn't cleaned D.wasn't cleaned为虾米这里要选A啊? Whether you like it or not. I care about whether you love me. No matter whether you care about me Whether you hear their this song to whether you are happy or unhappy是什么意思 No matter whether you married me Whether do you also think alike to