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

A．Thousand of                                    B．Thousands of

C．Three thousands                                 D．Three thousand of

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

I think it is meaningful ________ to help other people．

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

Mr. Li asked us ________ the work on time．

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

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

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

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

--Your bike is so nice．How much is it?

--It ________ me ￥380．

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

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

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

Mike is not at home．He ________ Beijing．

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

That stone bridge ________ in 1958．

A．build             B．built              C．is built             D．was built