Tom always prefers _______ rather than _______ a bike.

A .walk; ride       B. walk; riding       C. to walk; ride    D. riding; to ride

 Mary insisted that the car ______ right away.

   A. be repaired      B. to repair       C. should repair    D. repaired

 This is the woman scientist_______ name is known to all over the country.

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

 My parents finally _____ and agreed to buy me a mountain bike.

   A. gave up       B. gave out      C. gave in        D. gave back

 It was on my way to school this morning ______I picked up this wallet.

   A. where          B. when         C. how          D. that

 —Peter, please don’t make so much noise.

—Pardon?

—I _____ make so much noise.

A. tell you don’t                            B. tell you not to   

C. told you didn’t                              D. told you not to

—How long ________in Guilin?

—For two weeks. I’m going to some places of interest there.

A. did you stay　 B. are you staying　 C. do you stay　 D. have you stayed

 ________he starts to do something, he won’t stop until it is finished.

A. Though       B. Since               C. Once                   D. Unless

—Do you know our town at all?

—No, this is the first time I ____ here.

A. came 　　　　　　　 B. was　 　　　 C. have come　　 D. am coming

 As soon as I entered the high school, I found _______difficult to learn all the subjects well.     

A. it            B. them            C. this            D. these