The dresses in this company are available in a great _____ of sizes and styles.
A.combination | B.variety | C.couple | D.amount |
The world’s population has grown by ______ it was in 1800.
A.more than six times that | B.six times more than that |
C.more than six times what | D.six times as many as |
He failed in the driving test again. He_______.
A.must have disappointed | B.must have been disappointed |
C.might be disappointed | D.couldn’t be disappointed |
In his first speech as victor, Obama said, “There are many who won’t agree with every decision or policy I make as ________ president, and we know that government can’t solve every problem. But I will always be honest with you about ________ challenges we face.”
A.a; / | B.the; the | C./; the | D.the; / |
To keep healthy, most retired people _______ jogging as a regular form of exercise.
A.take up | B.take on | C.give up | D.hold out |
The young man stopped and looked back as if ______ whether he was being followed.
A.seeing | B.to have seen | C.having seen | D.to see |