—If he______there were poisonous snakes in the mountain, he would not have camped there.
—Luckily, he was found relatively quickly and_______to the local medical center.

Laughter, along with an active sense of humor, ______ protect you against a heart attack, according to a recent study.

Mr. Black _______ Shanghai in a few days. Do you know when the earliest plane  _______ on Sunday.

---What’s that unpleasant noise?
---Oh, the road before the main gate ______.

You’ve failed to do what you ______ to and I’m afraid the teacher will blame you.

Don’t take his remarks too seriously. He was so sad that I don’t think he really _________ what he was saying.

--- Could you take a message for Mr Brown?
--- Certainly. I ________ him about something else in any case. So it _______ any bother.

A teacher of English and class teacher _______ us something about volunteer workers.

It           every day so far this month. I can't tell you if it            tomorrow.

—Do you remember when I first met you?
—Of course. I __________ in a small food factory.