The scientists predict that if present trends____, women in 400 years will be 2cm shorter and have healthier hearts．
| A．will continue | B．continue | C．are continued | D．will be continued |
____ my sister three times today but her line was always busy.
| A．I’d phoned | B．I’ve been phoning | C．I’ve phoned | D．I was phoning |
Most people ____ material possessions.
| A．chase away | B．chase after | C．chase about | D．chase down |
He got to the station early, ____ missing his train.
| A．in case of | B．instead of | C．for fear of | D．in search of |
Scientists are confident that they can make lasers which can ____ missiles.
| A．knock down | B．knock out | C．knock into | D．knock off |
It’s interesting to contrast the British legal system ____ the American one.
| A．with | B．to | C．by | D．from |