—People in Southwest China have never experienced _____ natural disaster．
—Exactly．Let's do our bit to help them．
| A．a more severe | B．the most severe |
| C．the more severe | D．a most severe |
You never imagine what trouble I have _________this paper in my house.
| A．finding | B．to find | C．found | D．for finding |
— English has a large vocabulary, hasn’t it?
—Yes. ____ more words and expressions, and you will find it easier to read and communicate.
| A．Known | B．Knowing | C．To know | D．Know |
Only that factory ______ yesterday ______this kind of machine.
| A．we visited; produces | B．did we visit; dose it produce |
| C．we visited; does it produce | D．did we visit; produces |
—You haven’t lost the ticket, have you?
—______. I know it’s not easy to get another one at the moment.
| A．I hope so | B．Yes, I have | C．I hope not | D．Yes, I’m afraid so |
He often made his sister ______, but this time he was made ______ by his sister.
| A．cry; to cry | B．cry; cry | C．to cry; cry | D．to cry; to cry |