Kate ________ on her new novel, which is supposed to come out next month.
| A．has been working | B．had worked | C．will be working | D．was working |
World Expo is regarded as the Olympic Games of the economy, science and technology, expert said.
| A．A; an | B．The; an | C．The; a | D．A; the |
---- Mary, you water the plants in the garden and I will cook the dinner．
----_____
| A．Why me? | B．Forget it． | C．That’s all right． | D．OK, that’s settled． |
_____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution．
| A．While | B．As | C．If | D．Since |
_____ all over the hills and around the lake are wild flowers of different colors．
| A．Grow | B．To grow | C．Growing | D．Grown |
Doctor, I’m a lady of 48 _____ 84 kg．Can I lose weight by breathing exercise?
| A．weighs | B．weighed | C．being weighed | D．weighing |