People try to avoid public transportation delays by using their own cars, and this ________creates further problems.(2007· 湖北)

Have you heard the amazing news? —–But it _______ be true. Anyone with common sense won’t believe it.

do you find Johnson’s last party—Well, it couldn’t have been . In fact, I won’t go to his party next time.

Our classroom is over there. But I can’t find Jenny and Marry’s. Where is _____

you can buy $20 tickets or 30 $tickets, ______ you prefer