______ does your cousin exercise? —Three times a week.

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

Let’s go fishing if it this weekend.—But nobody knows if it .

Can Tom help me with my Physics? –His Physics is ____________ yours. He failed the exam, too.

You an umbrella. Do you think we are going to have rain today? —. I use it as a walking stick.