. --- I think the waiter has forgotten us. We ________ here for over half an hour! --- I think you’re right. He probably thinks we have already ordered.
The school had promised to keep parents fully _____ about the conditions of their children at school.
The manager should take_______ action if safety standards are not being met.
— Sir, you are fined for speeding. Please sign here. — Fined? Speeding? ______.
— Oh, my God,I left my portable computer in the taxi! — ______. Let’s call the taxi company first.
Supporters of underground development say that building down ______ building up is a good way to use the earth’s space.