With sufficient scientific information a manned trip to Mars should be _____.
| A．obtainable | B．potential | C．considerable | D．feasible |
That was really a great evening. It’s years ______ I enjoyed myself so much.
| A．when | B．that | C．before | D．since |
What she is addicted _____ her feel better temporarily and reduces the pain of separation.
| A．to making | B．makes | C．to makes | D．to make |
--- Did you like ______ there?
--- Oh, yes. The air, the weather, the way of life. Everything was so nice.
| A．it | B．these | C．that | D．this |
Take scary rides in the park and you will know what it feels like _____ through the air and take off in a rocket.
| A．falling | B．to fall | C．having fallen | D．when falling |
_____________ bad-tempered at times, he is still respected by all the students.
| A．In spite of | B．Even if | C．Not until | D．Despite |