Even experienced workers        make mistakes, let alone a green hand like Mary.

   A. must         B. will         C. shall        D. can

 The reason       she explained seemed reasonable.

   A. why       B. that       C. what      D. for which

 Suppose you have no idea how to use the washing machine, you can refer to       .

   A. introductions      B. directions      C. explanations      D. proposals

 Unfortunately, before I had the chance to get familiar with their music, the hand       .

   A. broke up        B. made up       C. turned up      D. set up

      the good results of the exam, he jumped with joy,       with a smile on his face

   A. Heard; satisfied        B. On hearing; satisfying

   C. Hearing; satisfied      D. Hearing; being satisfied

 Everyone should learn something about first aid because every second      in an emergency.

   A. urges       B. costs       C. demands       D. counts

—— Guess what, we’ve got our visas for a short- term visit to the USA next year.

—— How nice! You　 a different culture them.

　 A. will be experiencing　　　 B. have experienced

　 C. have been experiencing　　 D. will have experienced

 The living room is clean and tidy, with a dining table already     for a meal to be cooked.

   A. laid     B. laying     C. lain      D. being laid

——Tom is said 　　 his thesis.

——If so, let’s not 　　 him

A. writing; disturb　　　　　 B. to be writing; to interrupt　

C. to be writing; disturb　　　 D. to have written; interrupt

——I’m sorry, Sir. I got stuck in the heavy snow on the way to work this morning.

——　 you were so late . It is none of your business.

　 A. Go ahead　　 B. Forget it　　 C. No wonder　　 D. No way