＜E＞ Whether there is life in outer space has always been a mystery and a fascinating question to man
12. It has been reported that toothpaste made in China ______ harmful chemical that may cause poison
13. Many people take the MRT rather than driving their own cars because public transportation is mor
14. People living in this region have constantly suffered from natural _____, such as quakes and hur
15. These _____ cookies are from Aunt Martha. They may not be as tasty as those sold in shops, but r
16. The little girl _____ the plane crash while her family lost their lives. This terrible experienc
17. The students spent a lot of time preparing for the playlet contest only to get sixth place; they
18. With all the noise from the construction work right next to the campus, I can hardly _____ in cl
19. Michael was caught cheating when taking the English test, and now he will get a(n) _____, a reco
20. Since I was five, I’ve been learning Chinese _____, the art of producing beautiful handwriting u
22. We missed the train, and _____ we had to wait for another two hours for the next one.(A) every n
23. Realizing that Internet search was a very important field, Larry Page and Sergey Brin _____ a gr