The earth moves round the sun ,and the moon goes round the earth .When our part（部分）of the earth turns to the sun ,it is day ,When our part of the earth turns away from the sun ,it is night. The sun is much bigger than the moon .But sometimes the moon looks bigger than the sun, because it’s much nearer to the earth. The sun is very bright .It gives a very strong light .The moon looks quite bright, too .But it doesn’t give any light at all. The moon looks much bigger and brighter than the stars .But actually（事实上）, the stars are much bigger and brighter than the moon .They look smaller than the moon because they’re much farther away from us.
Sometimes the moon looks bigger than the sun, because______.

A．it is much bigger than the sun

B．it comes out only at night

C．it is much nearer to the earth than the sun

D．it doesn’t give a very strong light

The stars ______.

A．look much bigger than the sun

B．look much brighter than the moon

C．are a lot brighter than the moon, but they are not bigger than the moon

D．are much farther away from us than the moon

When it is day, _______.

A．our part of the earth turns to（转到）the moon

B．the sun looks much smaller than the stars

C．we can’t see any stars in the sky.

D．the moon turns away from the sun