section b function & reading and listening & grammar
题组1
ⅰ. 单项填空
1. you can’t borrow books from the school library ______ you get your student card.
a. beforeb. if
c. whiled. as
2. the government has taken some measures to solve the problem of shortage of electricity, but it may be some time ______ the situation improves.
a. sinceb. when
c. unlessd. before
3. his suggestion ______ to see the art exhibition interested every one of us.
a. that we gob. which we s
