Last night I watched the football match and didn't go to bed ____ 12 o'clock．

A．when             B．until                  C．as                      D．while

Let's do it _____ ．We have only three minutes left．

A．hardly             B．slowly                   C．quickly                  D．politely

—______ any water in the bottle?

—Yes, it' s full．

A．There is                       B．There are                      C．Are there                D．Is there

He will come here on time _____?

A．won't he                B．will he                    C．doesn’t he              D．does he

You have made some takes again．I think you ______be more careful next time．

A．can                 B．may                      C．should               D．would

Great changes ______in our city since 1980．

A．took place                                             B．have taken place

C．were taken place                                             D．have been taken place,

Computers are so popular our country that every student knows _____ e-mails．

A．how can he send                                             B．how does he send

C．how to send                                        D．how did he send

What are you going to do this weekend? I______ yet．

A．haven't decided                                  B．won't decide

C．have decided                                       D．didn't decide

_______ is too difficult if you put your heart into it．

A．Everything           B．Anything        C．Nothing            D．something

Everyone knows that the earth________ around the sun．

A．moves         B．was moving            C．moved        D．is moved