15．Mike is not at home．He ________ Beijing．

A．went to                B．has been to           C．has gone to             D．had been to

14．I have to return my book because I ________ it for too long．

A．have kept             B．have borrowed        C．borrows                 D．have lent

13．--Your bike is so nice．How much is it?      --It ________ me ￥380．

A．bought                B．cost                     C．spent                     D．paid

12．Your brother is sleeping．You'd better ________．

A．not wake him up                                     B．not to wake him up

C．not wake up him                                        D．not to wake up him

11．Sam likes cars．He enjoys ________ all kinds of model cars．

A．collects                B．collecting             C．to collect                D．colleted

10．Mr. Li asked us ________ the work on time．

A．finish                  B．finishes                C．finished                 D．to finish

9．I think it is meaningful ________ to help other people．

A．of us                   B．for us                   C．for we                   D．of we

8．I ________ all my pocket money on CDs，but now l want to donate some to charity．

A．used to spend                                          B．was used to spend

C．used to spending                                        D．used for spending

7．--Look! What’s in the sky? Oh! ________ stars!

A．Thousand of                                            B．Thousands of

C．Three thousands                                         D．Three thousand of

6．--Tom，help ________ to some apples．      --Thank you，Andy．

A．myself                 B．herself                 C．yourself                 D．yourselves