______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
| A．When | B．As | C．While | D．Before |
He will have learned English for eight years by the time he _____ from the university next year.
| A．will graduate | B．will have graduated |
| C．graduates | D．is to graduate |
–Will you go skiing with me this winter vacation?
–It _____.
| A．is all depended | B．all depends | C．is all depending | D．all depend |
While teaching students, teachers should take into consideration ______ students develop at different rates.
| A．the fact that | B．because | C．as long as | D．in spite of |
He is rather difficult to make friends with, but the friendship of his, _____, is truer than any other.
| A．once gained | B．when to gain | C．after gained | D．while gaining |
It made many countries angry ______ the NATO, without the permission from the UN, started a war in Yugoslavia because of the problem of Kosovo.
| A．when | B．because | C．that | D．if |