Large quantities of water, as well as some other timely help，__________ since the serious drought hit Yunnan Province.
| A．has offered | B．have offered |
| C．have been offered | D．has been offered |
The previous lecture focused on the reading problems in new words, while this lecture will turn to______in complex sentence structures.
| A．that | B．one | C．those | D．ones |
Recently Peter________to do his homework, and instead insists on wasting his time playing com-puter games, which extremely annoys his father.
| A．had been refusing | B．has been refusing | C．was refusing | D．refused |
When I came in, I found Lucy________by the window________to music.
| A．seated； listening | B．seated; listened | C．seating ； listened | D．seating ； listening |
28.When the telephone rang, I happened________in the kitchen, but when I came over to get it, it
rang off.
| A．to cook | B．to have cooked | C．to be cooking | D．having cooked |
.Being exposed for a long time________strong sunlight might seriously damage your skin.
A. in B. under C. to D, over