求英语高手回答几个问题
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I
In Britain the weather is very changeable. It often rains, but the sun sometimes shines too. The winters are quite cold with an average temperature of 5 degrees. It is colder in the north of England and it often snows there, but in London it doesn’t often snow. The summers are sometimes cool and sometimes warm. But the temperature doesn’t usually go above 30 degrees.
It is often cloudy and there are sometimes gray skies for days or weeks. Foreigners think it is always foggy in England, but in fact it is not often foggy now.
1. It ____ rains in Britain.
 A. never B. often C. always
2. The average temperature of Britain is 5 degrees in______.
 A. springs B. summers C. winters
3. It is _____ in summer in England.
A. never coolB. often coldC. sometimes warm
4. It is often _____ in England.
A. cloudyB. sunny C. windy
5. Foreigners think it is always foggy in_______.
A. the north of England B. London C. England