The government not only ________ the refugees（难民）houses to live in, but also _______ them with food and clothes.
| A．offered; offered | B．provided; provided |
| C．provided; offered | D．offered; provided |
-----“I think the teacher is wrong, _____?”
------“No, I don't think so.”
| A．don't you | B．don't I | C．doesn't he | D．doesn't she |
What do you imagine _____ him from going?
| A．to prevent | B．preventing | C．to have prevented | D．prevented |
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
| A．a, a | B．a, the | C．the, a | D．the, the |
She may have missed the train, in _____ case she won't arrive for another hour.
| A．whose | B．that | C．which | D．what |
Many countries, for example, Mexico and Japan, _____a lot of earthquakes.
| A．have | B．having | C．to have | D．having had |