单选题

• 1、

  It is{{U}} obvious{{/U}} that he will win the ga

• 2、

  The earth moves{{U}} around {{/U}}the sun．

• 3、

  Did {{U}}anyone{{/U}} call when l was out?

• 4、

  It took us a long time to{{U}} mend{{/U}} the hous

• 5、

  I don’t quite {{U}}follow{{/U}} what she is saying

• 6、

  We can no longer{{U}} tolerate{{/U}} his actions．

• 7、

  Loud noises can be {{U}}irritating{{/U}}．

• 8、

  In the background was that {{U}}eternal{{/U}} hum

• 9、

  The Constitution’s {{U}}vague{{/U}} nature has giv

• 10、

  Gambling is {{U}}lawful {{/U}}in Nevada．

• 11、

  These are the {{U}}motives{{/U}} for doing it

• 12、

  The river{{U}} widens{{/U}} considerably as it be

• 13、

  Many economists have given in to the fatal {{U}}lu

• 14、

  With {{U}}immense{{/U}} relief I stopped running．

• 15、

  A great deal has been done to{{U}} remedy {{/U}}th