If you are weak           a subject，          and asking a teacher for advice can help．

A．at；working hard                                    B．in；work hard

C．at；work hard                                                  D．in；working hard

While flying，a bat（蝙蝠）makes a sound which hits things and comes back to its ears．In this way it's able to know           the things are and avoid bumping into them．

A．how                    B．where                  C．what                      D．which

If we continue to be           the problem，things are sure to go from bad to worse．

A．blind to                B．interested in          C．honest about           D．satisfied with

Have you heard of the story of Holi? It           like this：there was a bad king who…

A．tells                     B．comes                 C．goes                      D．says

A study shows that a kind of fish in America can live           water for up to 66 hours．

A．beyond                B．in                        C．out of                    D．from

He didn't tell his parents he was going home because he wanted to give them a          ．

A．kiss                     B．surprise               C．chance                   D．gift

--Excuse me．How can I get to the railway station?

--Turn left and then follow your nose．You           miss it!

A．mustn't                B．can't                    C．shouldn't                D．needn't

--I didn't know this is a one-way street，sir．

--         ．Please show your driving license．

A．I don't care                                             B．Sorry，but that is no excuse

C．It's all right                                                D．I hope so

--Do you think we’ll need a coffee pot?

--I don't drink coffee，and          ．It's not necessary．Why not a tea service?

A．so do you            B．neither you do        C．so you do               D．neither do you

My son wants a pet rabbit for long，but I have no time to buy           for him．

A．it                         B．that                     C．the one                  D．one