单项选择

• 1、

  I was amazed at the beauty of the mountain when I

• 2、

  I am not certain whether he will come（　）.

• 3、

  These are their motives for doing it（　）

• 4、

  I am feeling a lot more healthy than I was.（　）

• 5、

  I have been trying to give up smoking.（　）

• 6、

  The boy is too young to discriminate right from wr

• 7、

  I didn't help him. I would have,however,I didn't h

• 8、

  The population of Seattle is a conglomerate of peo

• 9、

  I am not certain whether he will come（　）.

• 10、

  Jane said that she couldn't tolerate the long hour

• 11、

  France has kept intimate links with its former Afr

• 12、

  The growth of part-time and flexible working patte

• 13、

  Before the invention of photoengraving,steel and c

• 14、

  After making observations for a week in the plant,

• 15、

  Although originally a German innovation, kindergar