What do you want to be when you ___________?—I want to be a pilot.
What are these ? — ______ are pens.
To be well-informed , we should be ______ communication _____ each other about what happens to us.
I think you can ________ money by yourself to buy a birthday present for your mother. —OK. I’ll try. I’ll not let a penny waste.
By the end of last year, they _______ 2,000 English words.