1. A friend of mine returned to his house after a holiday, only to find it ______ broken into.
A. be B. was C. had D. had been
2. It is possible ______ he will succeed in the mission.
A. that B. what C. if D. whether
3. Ten weeks ______ not long, but ten weeks ______ elapsed since we met last time.
A. is /has B. are /have C. is /have D. are /has
4. Not only did many people volunteer to bring food for the picnic ______.
A. but also they brought drinks
B. they brought food drinks neither
C. many people offered to bring drinks too
D. many people did not offer to bring drinks either
5. Emphasis is laid on the necessity that all the objectives to be achieved ______ into consideration before starting the new project.
A. have to be taken B. are taken
C. be taken D. must be taken
参考答案:
1. 答案:D 解析:had been broken into (被撬锁进入)发生在returned(回家)之前,故用过去完成时。此句也可写成:… find it broken into, 但不强调时态。再如:He saw that the goods had been put on a freight car.
2. 答案:A 解析:that…是主语从句。It 是代替主语从句的形式主语(因为主语太长)。主语从句各成分俱全,故用没有实际意思的关系词that ,如:It is natural that human beings(should)eat food and drink water.
3. 答案:C 解析:根据句意思,第一个ten weeks 表示“时间”是单数概念,故用is。第二个ten weeks “十个星期”表示一个时间段,故用复数动词。再如:Fourteen years is a short time in history. /He waited for three weeks, which were hard to endure.
4. 答案:A 解析:not only …but also … 是固定搭配。如:Not only have they bought a car but also (they bought)a house. /He acted not only as the employer but also as an employee. /She was not only an engineer but also a writer.
5. 答案:C 解析:主句中的necessity 决定从句中要用should do 或do 的虚拟语气形式。order、suggest 、important 等词出现在主语中,从句的谓语动词亦用此种虚拟形式,如:It was important that everybody(should)pass the exam.
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