—Would you like some more chicken?
—No, thanks. I am _________ a diet and I’m trying to _________ weight.
| A．on; lose | B．on; put on | C．in; have | D．in; lose |
The experiment turned out to be very successful， was more than we could expect．
| A．what | B．that | C．which | D．this |
Some medicine，when wrongly，can kill a person
| A．take | B．taking | C．taken | D．to take |
The fire fighters soon got the fire in the building
| A．under attack | B．under control |
| C．under construction | D．under way |
The shopkeeper said that thief was a boy with blown hair．
| A．the，a | B．the，不填 | C．a，不填 | D．a，a |
I don’t doubt our team will the win 4×100一meter race．
| A．when | B．whether | C．that | D．which |