—When did you last see your first teacher?—On a party last June her 40th year of teaching.
If you really have to leave during class, you’d better leave____ the back door.
----Do you think it wise for Chinese mothers to try to do everything for their children? ----No, that’s they are mistaken.
Everyone must ___ their notebooks on the desk while taking an English exam.
He is rather difficult to make friends with, but the friendship of his, _____, is truer than that of anybody else’s.
The wrong you’ve done to her is terrible, ____ you should make an apology to her, I think.