—I failed again. I wish I _________ harder.
—But you _________.
| A．had worked; hadn’t | B．worked; don’t |
| C．had worked; didn’t | D．worked; didn’t |
---I’m sorry! I would have taken him to hospital if I had known he was seriously ill.
--- But ______ .
| A．you didn't | B．you hadn't | C．he wasn't | D．you aren't |
Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.
| A．who | B．which | C．where | D．of which |
A housing bubble is an economic situation _____ occurs when house prices rise much too fast.
| A．which | B．where | C．what | D．why |
Get out of NEET group, Jack! You are supposed to your own living.
| A．win | B．gain | C．take | D．earn |
--- Are you going to see The Flowers of War by Zhang Yimou?
--- _______It’s said to be too good a film to miss.
| A．No problem! | B．That’s for sure. |
| C．Why me? | D．Why bother? |