Zhengzhou was attacked by such a terrible sandstorm ________ few residents had ever experienced before.
| A．which | B．as | C．where | D．that |
No matter how bright a talker you are, there are times when it's bettersilent.
| A．remain | B．be remaining |
| C．having remained | D．to remain |
The development of industry has been_______ gradual process throughout _______ human existence, from stone tools to modern technology.
| A．不填, the | B．the; a | C．a; 不填 | D．a; a |
— Is there anything else to discuss?
—_____________. I guess.
| A．Not at all | B．No, that's all | C．Yes, I'm sure | D．Yea, of course |
—Coach, can I continue with the training?
—Sorry, you can’t you haven’t recovered from the knee injury.
| A．until | B．before | C．as | D．unless |
Sales director is a positioncommunication ability is just as important as sales.
| A．which | B．that | C．when | D．where |