918] I didn’t see what he meant _____ he explained again.
[译文] 直到他再一次解释，我才明白他的意思。
A. when B. until
C. unless D. if
[答案及简析] B。 not…until … 结构， "直到…才…"
917] The question asked by him is hard _____.
[译文] 他问的问题很难回答。
A. to answer B. to be answered
C. answering D. for answer
[答案及简析] A。 该句子能够改写成it is hard to answer the question asked bu him.结构，那么该句中的不定式就只能用主动形式。
916] In the streets _____ the building, too many people stood watching and the firemen couldn’t get close.
[译文] 在楼下的街道上，许多人站在那儿观看，而消防队员去进不去。
A. under B. down
C. below D. away
[答案及简析] C。 在楼下的街道，不是正下方只能用介词below。
915] At last a few of them luckly _____ the big fire.
[译文] 最后他们中的一部分逃离了大火。
A. were escaped B. escapted out
C. escaped from D. were escaped from
[答案及简析] C。 escape 一词不及物，不用被动形式。
914] -----I thought Fan Zhiyi was on Chinese team. -----Yes, he ____, but he ____ to an English club now.
[译文] --我想范志毅属于中国队。 --是的，他过去是，但现在属于一个英国俱乐部。
A. was; belongs B. was ; is belonged
C. is ; was belonged D. is; belongs
[答案及简析] A。 belong一词不及物，不能用被动形式。
913] One of the sides of the board should be painted yellow and _____.
[译文] 木板的一面应该漆成黄色，另一面白色。
A. the other is white B. another white
C. the other white D. another is white
[答案及简析] C。 两个中的另一个，用the other来表示。
912] The fire spread through the hotel very quickly but everyone _____ get out.
[译文] 火迅速在旅馆中蔓延开来，但是每个人都逃了出来。
A. had to B. would
C. was able to D. could
[答案及简析] C。 be able to 表示克服困难做成某事。
911] I heard you had seen the film, ______, you needn’t go with us.
[译文] 我听说你看过这部电影， 那样的话，你就没有必要和我们一道去。
A. in case that B. if not
C. unless D. in that case
[答案及简析] D。 in case 假使；in that case如果那样的话。
910] Smith has just arrived, but I didn’t know he _____ until yesterday.
[译文] Smith刚刚到，然而知道昨天我才知道他要来。
A. will come B. was coming
C. had been coming D. comes
[答案及简析] B。 was coming 表示即将发生的事。
909] They looked _____ at his burnt clothes and didn’t know _____ to do.
[译文] 他们伤心地看着被烧坏的衣服，不知所措。
A. sad; what B. sadly; how
C. sadly; what D. sad; how
[答案及简析] C。 sadly副词修饰动词。