问题

Schools in the south tend to be better equipped，_______those in the north are relatively poor

A:while
B:since
C:when
D:as

正确答案是：

同类题型

Jim won a prize at the English speech contest yesterday.—____________

What would you do if you won the lottery — I would give it_____ medical research.

Everyone here will thank the firefighters for the things they do to prevent fires ______ the environmentsafer.[ ]

Your time is running out. Change your mind itis too late！

Where’s your father —He __________ to work.