The following are some popular websites________people can sell goods to each other.
| A．where | B．which | C．when | D．whose |
The reason _____ their failure you know is ______ they didn’t get fully prepared for the experiment.
| A．why…that | B．that…why |
| C．why…because | D．for…that |
Susan could be a very attractive girl but she ____ no attention to her clothes.
| A．had paid | B．paid | C．pays | D．would pay |
During the meeting a young man cried out suddenly and threw his notebook at the chairman, _____brought the room to disorder.
| A．it | B．and which | C．and that | D．this |
I ______ her not to walk on the thin ice but she wouldn’t listen to me.
| A．suggested | B．warned | C．persuaded | D．admitted |
Do you understand the theory ______?
| A．that how the living things came into being |
| B．that how did the living things come into being |
| C．of how the living things came into being |
| D．of how the living things come into being |