When does your mother go shopping? 一Usually ______ Sunday mornings. [ ]

I don’t know if he _____ tomorrow. If he _____, I’ll go to see him.

Who will _______ the baby when your aunt is away?—Nobody but me.

As the saying goes, _________. So take it easy and read the question slowly within then given time when you take the test.

The population of China is _______ than that of _______ country in the world.