--Why do you water them?--So that the soil won’t get too dry.
18．(NMET)中测试过的不同时态中的被动语态
1)一般现在时的被动语态
eg. I need one more stamp before my collection is completed．(NMET1994)
2)现在完成时的被动语态
eg.一I have been told the sports meet must be put off．
--Yes，it all depends on the weather． (NMETl995)
3)现在进行时的被动语态
eg. ---Have you moved into the new house?
--Not yet．The rooms are being painted．．(METl991)
4)一般过去时的被动语态
eg. I was given ten minutes to decide whether I should reject the offer．(METl989)
5)过去完成时的被动语态
eg. The police found that the house had been broken into and a lot of things stolen．(MET l990)
Step4 Exercises
Mutiple choice:
1.His face was badly ____by the hot sun while he was working in africa .
A burnt B hurtC hit D shone
2.I hurried ____ I wouldn’t be late for class .
A since B so that C as if D unless
3. Speak to him slowly ___ he may understand you better.(NMET)
A since B so that C for D because
4. Tom kept quiet about the accident ____ lose his job . (NMET)
A so not as to Bso as not to Cso as to not D not so as to
5. Some policemen should be sent to ____ them ___ the trees .
A prevent ; to cut downB stop ; cutting down
C keep ; to cut downD keep; cutting down
6. Paul doesn’t have to be made ___ . He always works hard( NMET1995)
A learn B to learn C learnedD learning
7.There they got married and ____ their young .A broughtB fed C raised D rose
8.They can’t send the books to you , so you have to go to __ them .
A carryB takeC bringD fetch
9.The ___ of puling down the old house is to make room for a new highway .
A purpose B meaniongC fact D use
10 When the little boy from America was studying in China , he found it difficult to ___the school rules .A work outB makeCkeepD break
11.I’ll take my share of money ; the ___ yours .A other areB other isC rest areD rest is
12.He was reading a magazine while walking . He almost ___.
A knocked me down B knocked down me C turned me over D turned over me
13.A great number of trees ___ in the past few years in the city .
A have plantedB have been plantedC had been plantedD will be planted
14. In some parts of the world , tea ___ with milk and sugar . (NMET1993)
A is servingB is served C servesD served
15. Shortly after we ___ , a waiter came over to our table with a smile.
A seated B were seatedC sat ourselvesD took place
16. All the preparations for the task ___, and we’re ready to start . ( NMET2000春)
A completedB completeC had been completed D have been completed
17. Visitors ___ not to touch the exhibits. (NMET2001 )
A will requestB requestC are requestingD are requested
18.A lot must be done ____ too many trees ___ in this area .
A in stopping ; cutting offB for stopping ; being cut down
C to stop ; from being cut downD to stop ; from cutting off
19. Then she climbed onto the box , grasped the pole , and ___ down the food with the pole .
A knocked B picked C took D shook
