Where was ____ you first met with your wife? — It was in Tianjin where we worked 30 years ago. [ ]

All the ___ in our school enjoyed themselves on March8 th because it was their own holiday.

What’s wrong with your uncle— We’re sure _______ something is wrong with him, but we doubt _______ the disease can kill him.

facts are unimportant in ________, but if youput them together, you may find something unusual.

My English teacher’s humor was ________make every student burst into laughter.