Everybody says Rebecca and John is a perfect match; no one has ever known __________ couple.
The headmaster hurried to the concert hall only _________ the speaker
.Only in this way ______ get rid of the bad habit-smoking.
___ ____ I passed the interview! ___ Good luck to you. next time!
—Li Lin is very bright and studies hard as well. —It’s no ______ he always gets the first place in any examination.
I wonder ____ we can solve this hard problem.