In modern society, alternative energies __________ traditional ones are playing an important role in our daily life. That’s just because scientists have made great breakthroughs _________ the development of science and technology.
| A．for, during | B．of, during | C．by, in | D．to, in |
---They are quiet, aren’t they?
---yes. They are accustomed ____at meals.
| A．to talking | B．to not talking | C．to not talk | D．to talk |
_____, I got better and returned to work.
| A．Accidently | B．Normally | C．Eventually | D．Particularly |
It is already 10 o’clock. I wonder how it ______ that she was two hours later on such a short trip.
| A．came over | B．came out | C．came about | D．came up |
--Why does the lake smell terrible?
---Because large quantities of water ______.
| A．have polluted | B．is being polluted |
| C．has been polluted | D．have been polluted |
—Miss Wang，I feel very nervous with the competition approaching.
—________. As long as you can finish it，it is a victory.
| A．Take your time | B．Take it easy | C．No problem | D．It’s hard to say |