21、--I have made a decision to spend my holiday at the beach．

--__________  I’m sure you’ll have a good time．

A．Why not?                                        B．Sound wonderful．

C．Let me see．                                      D．Well done!

20、Tom, _______ here—everybody else, stay where you are．

A．to come         B．come          C．comes         D．coming

19、______wants to go rafting this weekend, raise your hands, please．

A．Anyone who                                   B．Those who

C．Anyone                                         D．Who

18、— Thanks for your help, but can you do me one more favor, please？

— _______, sir．What's it then?

A．Just a minute                                             B．It's very nice of you

C．That's all right                                                  D．At your service

17、________ is announced in today's paper, they have succeeded in solving many problems in accordance with the new theory．

A．It          B．That         C．As           D．What

16、-- Has Tommy finished his homework yet?

-- I have no idea; he __________ it this morning．

A．was doing         B．had been doing          C．has done          D．did

15、Sir, do you have anything ______ this afternoon? If there is nothing to do, I wonder if I can ask for a leave．

A．typing           B．typed         C．to type           D．type

14、______ makes the school famous is _______ more than 90% of the students have been admitted to universities．

A．What; because                                     B．That; because

C．That; what                                                 D．What; that

13、–Our food will _______．Hurry to get help from the nearby villagers．

--No need．It will last us for as long as two weeks．

A．lose out         B．give away           C．give out        D．go out

12、–I have taken someone else’s T-shirt by mistake．Is it Jane’s?

--It ______ be hers．She seldom wears red．

A．can’t          B．won’t           C．needn’t            D．mustn’t