A. after　　　　   B. unless　　　　    C. when　　　　　　 D. before

   A. if　　　　    B. whether　　　　 C. that　　　　　　  D. why

   A. where　　　　　　　　  B. in which　　   C. from where　　   D. from which

—We had a very good time 　　   .

   A. singing and dancing　　　　　　　　　　　　    B. to sing and dance

   C. on singing and dancing　　　　　　　　　　　　 D. of singing and dancing

   A. had to　　　　  B. were able to　　 C. could　　　　　　   D. might

—This has been our first chance to visit since　　  from Iran.

   A. you return　　    B. you returned　　 C. you have returned    D. returning

—Yes, He 　　   more in one day than I do in a week.

   A. has earned　　　　    B. had earned　　  C. earns　　　　   D. has earnings

   A. advantage　　   B. care　　　　　　  C. charge　　　　　　　　    D. use

—　　   . I'll call for you in my car at ten o'clock, tomorrow morning.

    A. Yes, let's go　　  B. Good idea　　    B. Go ahead　　 D. With great pleasure

—Not at all. 　　   

    A. I'm very glad to hear that　　　　　　　　　　　　 B. I'm glad you could come

    C. Make yourself at home　　　　　　　　　　　　   D. With pleasure