题目内容
—Oil is everywhere in this store, so you know smoking is forbidden here.
—I’m sorry.
A. can B. may C. must
C
解析
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Traffic is heavy and the price of oil is much ______ so that many people go to work by bus instead.
| A.higher | B.high | C.more expensive | D.expensive |