9．I have a ___________．

A． twin sisters

B． twins sisters

C． twins sister

D． twin sister

[单选题]9．I think doing the dishes _________ ．A． are boringB． are boredC． is boringD． is bored

[单选题]9．I was so anxious that I didn’t go to__________．A．asleepB．sleepC．sleepyD．sleeping

[单选题]I have ______her, but I have never met her.A.heardB.heard ofC.heard fromD.h

[单选题]Ihavekeptthatportrait____________Icanseeiteveryday,asitalwaysremindsmeofmyuniversitydaysinLondon.A．)whichB)whereC．)whetherD)when

[单选题]______ have I heard anything like that in my life.A． OnlyB． SurprisinglyC． NeverD． However

[单选题]I have to see the doctor because I ______ a lot lately.A． have been coughingB． had coughedC． coughedD． cough

[问答题]I have recently started a business and have learned some crucial lessons in

[单选题]I have to see the doctor because I a lot lately. ( )A． have been coughingB． had coughedC． coughedD． cough

[单选题]I have told you the truth ________I keep repeating it?A．MustB．CanC．MayD．Will

[单选题]I have thousands of classes since I started school rune years ago． But only one (51) was the most important．It happened Iast term just after I had got a (52) result in an exam．l was sad and had lost my confidence．l decided to go to a class which can