We have various winter camps for your holidays．You can choose ____ based on your own interests．

       A．either              B．each                C．one                    D．it

—__ I turn on the light, mum?

—Yes, thank you, my dear．You are so considerate．

　　　 A．May　　　 　　　 B．Shall　　　　　　 C．Will　　　 　　　　 D．Need

—How long do you want me to heat the oil?

—Heat it till it ____ to smoke．

　　　 A．would begin 　　 B．began　　　　　　 C．will begin　 　　　　 D．begins

With Mother's Day around the corner, I have taken some money out of the bank __presents for my mother．

       A．buy             B．to buy               C．buying               D．bought

Mary has come to a new school where she doesn't ________, so she feels lonely and unhappy．

       A．fit in               B．catch up             C．show up            D．put up

—I won't go there．You know, it is already 10 in the evening．____, it is raining hard．

       A．Therefore      B．However             C．Besides             D．That is

Hello, you ____ 7856321.

But I'm sorry, right now I'm unable to answer your questions．

　　　 A．reached B．were reaching C．have reached　　 　　　　　　 D．had reached

Lady Wang ____ as a secretary for five years in the company, and now she is a general manager of it.

　　　 A．has served B．serves C．had served D．served

John walked up to the top of the hill with Barbara yesterday, _______ they enjoyed a splendid view of the lake．

       A．which           B．whose               C．where                D．that

—I've decided to quit this job, but I'm afraid I won't be able to find a better one．

—____．You never know until you try．

　　　 A．Forget it　 　　　 B．Go for it　　　　 　 C．Good luck　 　　　　 D．Never mind