将以下的句子改为同义词：1.It's time for bed now.2.The changjiang Rive is longer than the Yellow Rive.3.The sun is bigger than the earth .4.The earth is bigger than the moon.5.Today is colder than yesterday.如果非常好的话另加5-10

将以下的句子改为同义词：
1.It's time for bed now.
2.The changjiang Rive is longer than the Yellow Rive.
3.The sun is bigger than the earth .
4.The earth is bigger than the moon.
5.Today is colder than yesterday.
如果非常好的话另加5-10分

It's time to fall asleep now
The Yellow river is shouter than Changjiang River
The earth is smaller than the sun
The moon is smaller than the earth
Yesterday is warmer than today