—That must have been a lot of work.
—Yeah, it ________ us three days to finish it.
| A．takes | B．had taken |
| C．took | D．was taking |
29．The police tried to get some clues from the suspect, but he remained________
| A．silent | B．quiet | C．calm | D．secret |
27．In hot weather, an old tyre can break again easily _____it’s mended．
| A．when | B．where | C．which | D．that |
26．PE will be part of the high school graduation examinations．______,you will have to be strong and healthy to graduate．
| A．After all | B．As a matter of fact | C．In other words | D．What’s more |
25．If you sleep short of 7 hours, you are three times _______ to catch a cold．
| A．possible | B．certainly | C．probable | D．likely |
24．As most of their houses were badly damaged after the earthquake, many people had to be_____in a stadium．
| A．put away | B．put up | C．put out | D．put off |