以下英语单选题怎么做 求指教~

以下英语单选题怎么做 求指教~
1.She ______ sit-ups before sleep,but not now.
A used to doB was used toC usedD used to
交际英语20132.--What can I do for you?--___________A I want a kilo of pears.B You can do in your own way.C Thanks.D Excuse me.I’m busy.
词汇与结构20133.Faber did not want to ______ his life to no purpose.A pressB offerC guideD risk
交际英语20134.--I'm sorry.What's your name again?--______ A You don't remember my name?B What are you talking about?C I'm Janet.D That's bad.
词汇与结构20135.It is not until you have lost your health _____________ you know its value.A untilB whenC whatD that
词汇与结构20136.The film brought the hours back to me _________ I was taken good care of in that remote village.A whenB whereC thatD until
词汇与结构20137.Every year thousands of lives ________ in road accidents because of careless driving.A loseB lostC have lostD are lost
交际英语20138.--Would you like another slice of Christmas cake?--________.I'm full.A Yes,please.B No more,thanks.C Why not?D Nothing more.
词汇与结构20139.Two days is not enough for him to finish the work.He needs __________ day.A otherB the otherC the thirdD a third
交际英语201310.--How nice to see you again.-- ______ A Nice to see you,too.B Very nice.C It's hard to say.D Really?

A
A
D
C
D
A
A
B
D
A