Mr Hu has travelled to six countries _______.
| A．over the years | B．in the years |
| C．after the years | D．before the years |
It was difficult for the rich _____ a happy life.
| A．to have | B．having | C．had | D．have |
We’ve walked for a long time.Let’s stop ____a good rest
| A．having | B．had | C．to have | D．have |
A Wechat (微信) is an invention __________ can help people talk to friends, share photo, ideas and feelings freely.
| A．which | B．who | C．whose | D．/ |
_____ of the water _____ polluted. We must try to protect our environment.
| A．Two third; are | B．Two third; is |
| C．Two thirds; are | D．Two thirds; is |
Pleasetellme______.Ihavesomegoodnewsforhim.
| A．whereRobertlives | B．wheredoesRobertlive |
| C．whereRobertlived | D．where Robert live |