533] According to the time table , the train for Beijing______ at seven o’clock in the evening .
[译文] 根据时刻表，去北京的火车晚上七点发车。
A. leaves B. has left
C. was left D. will leave
[答案及简析] A。 火车时刻是固定的用一般现在时态。
532] Henry escaped ____ by admitting his mistake.
[译文] Henry承认了错误，免受惩罚。
A. being punished B. having been punished
C. having punished D. punishing
[答案及简析] A。 escape一词后面一般跟动名词作宾语。
531] I first met Lisa three years ago. She _____ at a shop at the time.
[译文] 我三年前遇到Lisa。她一直在一家商店工作．
A. has worked B. was working
C. had been worked D. had worked
[答案及简析] B。 有at the time这个短语一般都是该用进行时态的。
530] I told him that if painting was important for him he would live on bread in order to ______ .
[译文] 我告诉他，如果绘画对他来是很重要，他就得靠吃面包为生以求成功。
A. Succeed B. success
C. succeeding D. to success
[答案及简析] A。 in order to接不定式表示目的。
529] It was not until then that I came to know knowledge ____ only from practice.
[译文] 知道那时我才认识到知识来自实践。
A. had come B. came
C. would come D. comes
[答案及简析] D。 真理的东西时态用一般现在时。
528] I don’t really work here, I _____ until the new secretary arrives.
[译文] 我真的不是在这儿工作，我在这儿帮忙直到新的秘书来。
A. just help out B. have just helped out
C. am just helping out D. will just help out
[答案及简析] C。 until前的谓语动词是延续性动词就用肯定形式，动作到until从句的时间就结束了。
527] Charles Babbage is generally considered ______ the first computer.
[译文] Charles Babbage被认为是第一台电脑的发明者。
A. to invent B. inventing
C. to have invented D. having invented
[答案及简析] C。 不定式的动作发生在谓语动作之前，要用完成时态。
526] "Can’t you read?" Mary said ______ to the notice.
[译文] "你不能读么？" Mary指着告示生气地说道。
A. angrily pointing B. and point angrily
C. angrily pointed D. and angrily pointing
[答案及简析] A。 现在分词短语表示伴随。
525] After the new technique was introduced, the factory produced______ tractors in 1998 as the year before.
[译文] 引进了新的技术后，这加工厂1998年生产的拖拉机是以前的两倍。
A. as many twice B. as twice as many
C. twice as many D. twice many as
[答案及简析] C。 比较级的修饰语应该放在比较级结构的前面。
524] Look, they seem _____ about you.
[译文] 看，他们好像在议论你呢。
A. Talk B. to talk
C. to be talking D. to be talked
[答案及简析] C。 Look，后面一般是进行时态。