It is not a serious illness. I guess she will ______ soon.
He will have learned English for eight years by the time he _____ from the university next year.
–Will you go skiing with me this winter vacation?–It _____.
While teaching students, teachers should take into consideration ______ students develop at different rates.
He is rather difficult to make friends with, but the friendship of his, _____, is truer than any other.
It made many countries angry ______ the NATO, without the permission from the UN, started a war in Yugoslavia because of the problem of Kosovo.