完形填空：1.most of the stars are much b___than the moon,but they

完形填空：1.most of the stars are much b___than the moon,but they look smaller b____
they are far away from the earth.2.But the moon has ____light of its own.3.And the plants,a_____ and men will die without the sun.4.When the part of the earth turns to the sun ,it is_____.