The man is ________danger to society. Therefore，people around him are in ________danger all the time.
| A．the；a |
| B．/；/ |
| C．an；a |
| D．a；/ |
He said that he had visited the park _____.
| A．last week | B．a week ago | C．two weeks before | D．before two weeks |
Mother asked Ann _____ fastest in her class.
| A．who has run | B．who ran | C．who does run | D．who do run |
He asked me _____ finished my work.
| A．whether did I | B．if I did | C．whether had I | D．if I had |
He asked _____ for the computer.
| A．did I pay how much |
| B．I paid how much |
| C．how much did I pay |
| D．how much I paid |
The teacher told us that light _____ faster than sound.
| A．travelled |
| B．had travelled |
| C．is travelling |
| D．travels |