The teacher reported to the headmaster how the class meeting ________ the  day before.

-- Why didn’t you come to see the film with your parents last weekend?
-- I _____ my lessons for the month- exam.

Jack_____his leg. Otherwise, he would have won the race.

We hope that you can buy this material because it_____ well.

When and where he came here _______ yet.

—You must apologize to Rebecca for being so rude, Sam.
—Why ________ I say sorry? It’s she ________ said insulting words first.

It ________ me that I could buy the admission ticket of the exhibition at the discount of 50% with my student card, ________ made me extremely excited.

Miss Li ________ as a biology teacher for fifteen years in our school, and now she is Party secretary of our city.

—May I see your ticket, please? I think you ________ in my seat.
—Oh, you’re right. My seat is upstairs. I’m terribly sorry.

About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.