单项选择

• 1、

  I catch cold now and then.

• 2、

  I rarely wear a raincoat because I spend most of m

• 3、

  Practically all species of animals communicate eit

• 4、

  There is always excitement at the Olympic Games wh

• 5、

  Sculpture has occasionally been found in the earth

• 6、

  I have been trying to quit smoking.

• 7、

  Attitudes to mental illness have shifted in recent

• 8、

  Relief workers were shocked by what they saw.

• 9、

  When doves are about two weeks old, they are cover

• 10、

  It is said that the houses along this street will

• 11、

  This is not typical of English, but is a feature o

• 12、

  The weather is a constant subject of conversation

• 13、

  He often finds fault with my work.

• 14、

  You will be meeting her presently.

• 15、

  It is virtually impossible to persuade him to appl