1 . The old photos    1    (bury) at the bottom of the suitcase reminded me of those happy old days. (所给词的正确形式填空)

2 . Much time ________ sitting at a desk, office workers are generally troubled by health problems.

A．spent

B．is spent

C．has been spent

D．having spent

3 . There were too many people _______ the matter.

A．involving

B．involving in

C．involved

D．involved in

4 . It is proved that the results ________ (calculate) in that way are exact.

5 . The table made ________ hard stone is difficult to move.

6 . The book ___________（refer）to by the specialist at the meeting deals with Asian problems. (所给词的适当形式填空)

7 . Directions: After reading the sentences below, fill in the blanks with the proper form of the given word to make them coherent and grammatically.
1. Bill suggested _______ (hold) a meeting on what to do for the coming summit during the vacation.
2. Swine Flu (HINI), first_______ (appear) in Mexico in April 2010, spread through many countries across the globe quickly.
3. One of the most striking findings of a recent survey in the UK is that of the people_______ (interview), one in two believes that the international influence of their nation is declining.
4. A high-tech park is announced_______ (build) in this area, but when the project will be put into practice has not been scheduled.
5. The immigrants had to pass a medical inspection_______ (intend) to exclude the sick and the mentally ill.
6. _______ (win) the coming talent competition, he has spent all his free time making preparations.
7. During the economic crisis the number of the people_______ (claim) unemployment benefits has jumped from 1.3 million to more than 2 million.
8. Global warming is widely considered _______ (increase) the frequency and severity of natural disaster, making the environment even worse.

8 . Having read the book，she was able to pass on the_______(acquire) knowledge to the students. (所给词的适当形式填空)

9 . The medical team________（由……组成）ten experts made great contributions to fighting the novel coronavirus. （根据汉语提示完成句子）

10 . The program   ______（design）for entertainment turned out to be much too serious. (所给词的适当形式填空)