－When do we need to pay the balance?
－__________ September 30.
A. In B. By C. During D. Within
He suddenly saw Sue _____ the room. He pushed his way ____ the crowd of people to get to her.
A. across, across B. over, through C. over, into D. across, through
A great person is always putting others’ interests _________ his own.
A. below B. above C. in D. on
-How amazing it is that astronauts are exploring outer space!
-It’s a challenge, I guess, man against nature.
A. of B. for C. by D. about
When she first arrived in China, she wondered what the future might have_______ for her, but now all her worries are gone.
A. in need B. in time C. in preparation D. in store
Are you ready for Spain?
Yes. 1 want the girls to experience that______they are young.
A. while B. until C. if D. before
