—Look, there is a lot of rubbish in the river.
—Yes, it’s said that 80 per cent of fish in this river ________ live long.
| A．doesn’t | B．don’t | C．isn’t | D．aren’t |
Nanjing is about 1,100 km away from Beijing and it’s nearly a ________ ride by high-speed train.
| A．four hours | B．four-hour’s |
| C．four-hour | D．four-hours |
– I left my keys in the room yesterday. I had to get in ________ the window.
– I’m afraid it was dangerous to do so.
| A．in | B．through | C．over | D．to |
– How do you like this soap opera?
– I think it’s very boring, ________ my mother always wants to watch it.
| A．if | B．but | C．or | D．So |
– How’s your homework going, Millie?
–________. I will finish it in one hour.
| A．I’m still doing it | B．Yes, that’s OK |
| C．Oh, it’s done | D．That’s all right |
– We have done a lot to make our city cleaner, but it’s still not enough.
– So we should do ________ to improve it.
| A．less | B．higher | C．later | D．more |