When did China __ the first man-made satellite to circle the earth, do you know?

Must I return the book tomorrow— No, you ________. You can keep it for three days.

“I haven’t heard from Henry for a long time.”“What do you suppose_____ to him?”

Do you still remember the first day we met at school — Very clear _____ it was yesterday.

The well-dressed man ____ to be a robber.