into a high-prestige enterprise that covers many domains of Internet services.

2、For decades, the U.S. led the world in the proportion of citizens with

college degrees, but in recent years it has been ________ by other countries.

3、After 30 years’ living in Guangzhou, Elizabeth has been __________

into the local culture, and now she speaks fluent Cantonese.

4、The lawyer’s arguments are well grounded because he has collected

enough _____ concerning the case.

5、It is proved that playing sports can _____ the social development of young people, teaching them how to interact with peers outside the classroom.

6、Big-name employers, from central enterprises to tech giants, have a(n)

____ in favor of recruiting graduates from prestigious universities.

7、There has been so much media ___________ of the facts that nobody knows the truth of the issue.

8、The executives believed that combining the two work teams would

_______ their strength by several times.

10、If the air pressure in aircraft cabin becomes lower, oxygen masks will

___________ drop down.

11、These top-secret documents should never have been released into the

public _______.

12、Environmentalists are doing everything within their power to ________ the impact of the oil spill.

13、Some manual labor is bound to be ________ by artificial intelligence, so workers need retraining for more technical jobs.