— Who is the letter you are reading from, Jack?
— Well, if you know, it’s from my girlfriend.
| A． must | B．may | C．can | D．should |
You surprise me! You ________ fall asleep in such an important meeting.
| A．must | B．may | C．can | D．should |
There were no other houses beyond her garden, ________ made it seem like her house lay at the end of the world.
| A．which | B．that | C．where | D．what |
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 |