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 —Hello, Mr. Huang!

    --I’m sorry, _____________ I don’t think I know you.

    A. and                         B. or                      C. but                        D. because

 “ It’s never too late ___________,” mother said to me.

    A. learn                       B. to learn               C. learning                  D. learnt

 We __________ English five years ago. We _________ it for five years.

    A. learned; learned                                      B. learn; have learned

    C. have learned, have learned                       D. learned, have learned

 If you don’t take more  ____________, you’ll get fat.

    A. medicine                  B. exercises             C. exercise                 D. lessons

It takes _____________ time to go to Beijing by plane than by train.

    A. more                       B. fewer                 C. longer                   D. less

Han Meimei is good at ______________.

A. singing and to dance B. to sing and to dance

C. to sing and dancing D. singing and dancing

 He is listening to the music _____________  she is washing clothes.

    A. after                        B. before                 C. that                       D. while

Please ________ him to the nurse there, and she’ll give him some pills.

    A. carry                       B. bring                   C. let                         D. take

 Most international business letters __________ in English.

    A. is written                 B. are written          C. is writing               D. are writing

 He _________ cross the street.

    A. sees                        B. saw to                 C. was seen               D. was seen to