Remember the day when we ___________ you in charge ?
AIDS is said ______the biggest health challenge to both men and women in that area over the past few years.
Since I have read quite a few English books, I know ______words and phrases, of which the majority______ been found in our textbook.
The 12 million people in Mexico City woke up on September 19th, 1985, to find their city ______ after the terrible quake.
I sometimes think that all his supposed mistakes are made ______ just to make me angry.
The train stopped ______ at lonely little stations, which resulted in a sleepless night.