–Let me teach ____ daughter Japanese.--Thanks. If so, she won’t have to learn by ____.

China is larger than _________ in Africa. 

---Have you got anything to do this afternoon, Lucy and Lily?---Yes, _________ of us are going to the home for the elderly.

I'm old enough to wash          clothes by myself．You can just wash          ．  

— What do you think of this math problem?—It’s too easy. _____ in our class can work it out.