They have been working on the bridge for a week. It seems they need ________ two weeks to finish it.
The audience ______ when they heard the humorous story.
— What about ______ lecture you attended yesterday? — To tell the truth, it was too boring.I can’t stand ______ lecture like that.
From time to time a crocodile has snatched someone _______ he or she is even aware that the crocodile is there.
_____ unemployment and crime are high, it can be assumed that the latter is due to the former.
—I’m sorry.That wasn’t of much help. — Oh, _______ . As a matter of fact,it was most helpful.