When it______air pollution, Beijing faces the three “C” s-----cars，coal and construction，which lead to Beijing's thick air pollution.
| A．refers to | B．comes to | C．happens to | D．speaks to |
He attends the evening class ________ , that is, Monday, Wednesday and Friday.
| A．every three days | B．every the second day |
| C．every two day | D．every other day |
I thought you ____ like something to read, so I have bought you some books
| A．may | B．might | C．can | D．must |
It _______ them $1000 a year to run a car.
| A．takes | B．costs | C．spends | D．paid |
—Where was it ______ the road accident happened yesterday?
—In front of the market.
| A．when | B．that | C．which | D．how |
If you become sick, it is nearly impossible to go on with your education, let alone make your dreams _____ true.
| A．come | B．turn | C．become | D．get |