It was in the street where a serious accident happened last week ______another happened yesterday.
| A．which | B．that | C．what | D．how |
Among Asimov's most famous works of science fiction, one _____he won an award, was the Foundation Trilogy.
| A．of whom | B．of which | C．for whom | D．for which |
Some retired people have nothing to do. They often get together and ____for hours talking about their past experiences.
| A．look around | B．get around | C．turn around | D．sit around |
The British are proud of the 2012 Olympic Games_____ in London.
| A．to hold | B．to be held | C．holding | D．being held |
---Has your father come back from Africa?
--- Yes, but he ______ here for only three days before his company 
sent him to Japan.
| A．was | B．has been | C．will be | D．would be |
---How did the plan strike you?
---Great, indeed!_______. I can not speak too highly of it.
| A．In fact | B．Be sure | C．After all | D．As a result |