—Nothing wrong with it , ?
—No .Yours is a specially-built model. Drive carefully , though .It takes time to run in a new car.
| A.is it | B.has it | C.are they | D.is there |
Teaching is a difficult job ______ requires great skill and patience.
| A.which | B.where |
| C.who | D.why |
Drivers must stop when the traffic lights _____ red.
| A.turn | B.will turn |
| C.turned | D.were turning |
There was an excited expression ______ his face when he heard the good news.
| A.of | B.on |
| C.at | D.over |
Milk will turn sour soon on hot days ______ it is stored in the refrigerator.
| A.since | B.until |
| C.because | D.unless |
You'd better not ride the bicycle on snowy days; you ______ fall.
| A.must | B.might |
| C.have to | D.ought to |