It is not a problem ______ we can win the battle;it's just a matter of time.( )
whether
why
when
where
Generally, students’ inner motivation with high expectations from others ______ essential to their development.
The university estimates that living expenses for international students ________ around $8,450 a year. which ________ a burden for some of them.
His teacher told him that since his parents were working abroad, either his grandparents or one of his uncles ______ allowed to come to the parents’ meeting .
English is a language shared by several diverse cultures, _________ uses it differently.
---___________ everyone present at the meeting? ---No, all but one _________ there.