A: Which is the biggest, the sun, the moon or the earth?

　　 B: The sun (is the biggest of the three).

　　 A: Which is the smallest?

B: The moon.

A: Does the sun go round any star?

B: No. But the earth goes round the sun, and the moon goes round the earth.

A: Has the sun get its own light?

B: Yes. It gives its light to the earth and the moon.

2. When is; yours; nine months older; Do; so; I do

5. better than any other teacher in our school

4. best in her class

3. are shorter than those in Group Two

2. has got more stamps than the other students

2.are writing, is going to be/ is, are going to take

9.c　 10.b

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The weather in Shanghai is not a　　　　　　 good. In winter it is very cold. February is m　　　　 　colder than J　　　　　　 .In spring it is q　　　　　　　 　wet. (潮湿的). It rains a 1　　　 　in April. May is n　　　　 than April. It is w　　　　　　 　and often dry(干燥). Summer is very hot. July and August are the h　　　　 months of the year. Autumn is all r　　　　　 . It is cool and it doesn’t o　　　　　　 　rain.