----- You shouldn’t have talked back to our teacher like that. It was awfully impolite.
----- You are right. I _________ crazy at that moment.
| A．could have been | B．can be |
| C．must have been | D．should have been |
It should be emphasized that our technology has great potentials ________ food development in China.
| A．in terms of | B．by means of |
| C．in spite of | D．regardless of |
When it comes to gossip(流言蜚语), learn to keep your mouth shut ________ you'll avoid trouble.
| A．or | B．and | C．for | D．but |
Only when we have strong confidence, courage and strength, ________ overcome all the difficulties.
| A．that we | B．we can | C．we would | D．can we |
We should ________ the best person for the job, and I feel Jane is a remarkable candidate.
| A．approve | B．appoint | C．apply | D．approach |
Similarly, active places exist around the globe, with some even ________ a new kind of tourists.
| A．attracted | B．to attract | C．attract | D．attracting |