单选题

• 1、

  It's impolite to {{U}}cut in{{/U}} when two person

• 2、

  As a writer, he {{U}}turned out{{/U}} three novels

• 3、

  If wool is put into hot water, it tends to {{U}}sh

• 4、

  A plastic wheel can be as {{U}}tough{{/U}} as a me

• 5、

  During his lifetime he was able to {{U}}accumulate

• 6、

  We {{U}}consume{{/U}} a lot more than we are able

• 7、

  Almost all economists agree that nations {{U}}gain

• 8、

  The chemical is {{U}}deadly{{/U}} to rats but safe

• 9、

  The company {{U}}recommended{{/U}} that a new gas

• 10、

  The conference {{U}}explored{{/U}} the possibility

• 11、

  It doesn't {{U}}stand to reason{{/U}} that he woul

• 12、

  We tried to {{U}}restrict{{/U}} our conversation t

• 13、

  Of all the planets in this solar system, Mercury i

• 14、

  The train came to {{U}}an abrupt{{/U}} stop, makin

• 15、

  Winston Churchill gave a {{U}}moving{{/U}} speech.