Jim, have you done homework_________?—- Yes, I have _____ done it.

Would you like______ to drink? —Yes, please.

I usually ______ sunglasses outside in the sun.

Some scientists think that it may take ______ years to make robots look like people, and do the same things as us.

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