They eat only plant foods, and take care to ________ animal products from other areas of their lives.
How long do you believe it will be _____ Chinese people land on the moon?
The position _____ he wants to apply is difficult to get.
I can hardly say which dish is best –it’s simply a(n) _____ of personal taste.
-The accident might not have happened had we been more careful. -But we _____ at that time.
The boss went into the house, _____ the five boys _____ in the rain.