–I always go there by bus. —Why not _______by train? It’s faster.
| A．to try going | B．trying to go |
| C．to try and go | D．try to go |
What method can you think of _________ with these broken computers?
| A．to deal | B．dealing | C．deals | D．Deal |
Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉）．
| A．come up with | B．look forward to |
| C．talk about | D．give up |
—The air pollution is terrible.
— It will be worse ________ we take action to protect the environment.
| A．if | B．unless | C．until | D．When |
— What do you think of our performance on the New Year’s Evening party?
— Perfect! I don’t think I can see a ________ one.
| A．worse | B．good | C．better | D．bad |
The Asian Cup is coming! All the matches are worth ________.
| A．watch | B．watching |
| C．to watch | D．Watched |