Everyone here will thank the firefighter for the things they have done to prevent fires______ the environment safer.
| A．make | B．to making | C．to make | D．from making |
It is a long time ____ they separated, but it won’t be long ____ they meet again.
| A．since; before | B．after; when | C．since; when | D．after; before |
The Japanese government stubbornly claimed the ownership of DiaoYu Island belonging to Japan, ____ greatly hurt the friendship between the two peoples.
| A．that | B．this | C．which | D．it |
As to the question of whether we will sell our house or who we shall sell the house to, you ____ have answer by tomorrow.
| A．shall | B．will | C．could | D．must |
The villagers in the mountain have a firm ______ that they will have a good harvest next year.
| A．opinion | B．theory | C．idea | D．belief |
---- Where are you going for the weekend?
---- I haven’t decided yet. I _______ go fishing with my friends.
| A．should | B．might | C．can | D．must |