【单选题】
The professor has been [填空]at the university for over thirty years.
【单选题】
The students can read English at the [填空] of 200 words per minute.
【单选题】
He [填空] here a minute ago.
【单选题】
[填空]John to mail those letters tomorrow!
【单选题】
I prefer tea [填空]coffee.
【单选题】
She told me she [填空] slept well before the flight.
【单选题】
A peasant woman found a [填空]stone in her land.
【单选题】
Last week more than 200 people were [填空] treated in a Glasgow hospital.
【单选题】
He was sick, [填空]they were quiet.