53.- How much is this necklace?
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7.I don't know who broke the window.

6.What kind of life do most people enjoy?

5.You needn’t go there anymore. He already knows about it.

4.The traffic jams during morning and afternoon rush hours are a headache in big cities now.

3.It is known to all that exercises are good for health.

2.What would you like to drink, mineral water or tea?

1.This is the worst hospital I have ever seen.

100.Measles(麻疹) ________ a long time to get over.

99.You had better ________ a doctor as soon as possible.

98.I don’t know _______ to deal with such matter.