No free plastic bag in the supermarket helps to _____ white pollution.

Tom wants to know if you will have a picnic tomorrow.—Yes. But if it ______, we’ll play chess instead.

If you can’t English, you can it in Chinese.

We played football this afternoon.Why didn’t you play with us?—Sorry, I really wanted to. But I __________Jim fix his bike then.

Why is the man standing at the door of the restaurant all the time?—-He is waiting for anyone who will ______him some money or food.