Not until the fish died in the river how serious the pollution was.
| A．did the villagers realize |
| B．the villagers realized |
| C．the villagers did realize |
| D．didn’t the villagers realize |
________ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．While | B．As | C．Because | D．If |
When I saw Jane, I stopped and smiled, but she ________ me and walked on.
| A．refused | B．ignored | C．avoided | D．Missed |
With the advanced technology, our factory produces ________cars as we did last year.
| A．as twice many | B．many as twice | C．twice as many | D．as twice as many |
There is no point ________ time ________ with him.
| A．to spend; to argue | B．in spending; arguing |
| C．to spend; arguing | D．in spending; to argue |
We have only a short holiday, so let’s the most of it and try to enjoy ourselves.
| A．make | B．take | C．get | D．have |