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People often have this belief ___development is bad for the environment, but this does not have to be true.

A which     B whose       C that       D when

When the boss came in, these workers pretended to________ carefully.

A. working              B. be working

     C. work                 D. have been working

________ the programme, they have to stay there for another two weeks.

A Not completing            B Not completed  

C Not having completed      D Having not completed

_______cloning human embryos is not legal in many countries, some scientists are already pushing ahead with research in order to produce a cloned human baby.

A. While      B. When     C. Since      D. if only

The bell __ the end of the period rang, __our heated discussion.

A. indicating, interrupting       B. indicated, interrupting 

C. indicating, interrupted        D. indicated, interrupted

Not ______that is best for nature is good for people.

A anything     B nothing     C something    D everything

With drink and food ____, the prisoner had to walk out of the cave where he was hiding.

A. running out     B. run out C. use up    D. using up

No one knows ______effects the GM material might have on the food chain.

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

Unluckily, my sister had her cellphone ______ in Guangzhou before she could find a job.

A. to be stolen   B. stolen   C. being stolen    D. steal

The hotel was in a 31 street and seemed to agree with one who 32 a good sleep after a tiring trip. The woman manager 33 me to my room. When I asked her about dinner, she said it was 34 at six and I had 35 it." 36 , I'm not very hungry." I said in a friendly voice. " I'll just have a 37 and then go to a restaurant."   "What!" she said, raising her eyebrows (眉毛). "This is a respectable (體面的) hotel, young man. If you want, 38 go somewhere else. " She spoke as if a glass of beer were a 39 liquid. I felt my 40 back through the dark streets after dining outside. I knocked loudly on the door but nobody 41 . It was a long time 42 the lady opened the door. "What's going on?" she said 43 ." Guests are to be back by ten. The rule is for everyone."   I went to my room and tried to sleep. The bed was 44 and the sheets and blankets were damp. 45 of all, the whole hotel trembled when the church clock 46 every quarter of an hour. Just before dawn, I finally went to sleep.   "Did you sleep well last night, young man?" asked the old lady the next morning. " 47 speaking, I don't think I could 48 another night here." I replied. "I 49 slept at all." "That's because you were 50 all night drinking!" She said disapprovingly.

1.A. modern B. dark C. crowded  D. quiet

2.A. needed B. took C. slept    D. tried

3.A. called B. showed   C. pointed  D. sent

4.A. eaten  B. prepared C. cooked   D. served

5.A. forgotten  B. taken    C. missed   D. ordered

6.A. Thank you  B. Never mind   C. I'm sorry    D. Too bad 

7.A. sleep      B. cake C. drink    D. rest

8.A. have to    B. must C. rather   D. better

9.A. dangerous  B. ugly C. cruel    D. strange

10.A. direction B. feet C. path D. way

11.A. answered  B. heard    C. opened   D. went

12.A. before    B. when C. after    D. until

13.A. in surprise   B. kindly   C. coldly   D. cruelly

14.A. hard  B. easy C. comfortable  D. difficult

15.A. Above B. Last C. Worst    D. First

16.A. struck    B. broke    C. beat D. hit

17.A. Correctly B. Generally    C. Really   D. Truly

18.A. need  B. spend    C. afford   D. manage

19.A. never B.hardly    C. seldom   D. haven't

20.A. dreaming  B. awake    C. up   D. down