Reportedly yesterday a group of American soldiers were walking along the road in Iraq when a bomb（炸弹） was _____, three of whom were killed.
| A．set about | B．set off | C．set up | D．set out |
______that the road was under construction, the man had to drive back.
| A．Being reminded | B．To be reminded |
| C．Having been reminded | D．Having reminded |
I have been waiting for a bus for so long. If only I _______ a book with me!
| A．brought | B．would bring |
| C．had brought | D．bring |
The computer system_________ suddenly while he was watching news on the Internet.
| A．broke out | B．broke in |
| C．broke up | D．broke down |
--Look! What are the Greens busy doing?
-- Mrs Green is cutting the grass; _________, her husband is planting the roses.
| A．rather | B．instead |
| C．thus | D．meanwhile |
____ I saw him, I knew he was the man the police were looking for.
| A．Previously | B．Immediately |
| C．Accurately | D．Especially |