A house next to the key middle school costs about ___ of one in other districts.
| A．the price of three times |
| B．three times the price |
| C．as much as the three times price |
| D．three times more than the price |
They ___ every means, but the engine __ work.
| A．tried; couldn't | B．have tried; won't | C．tried; won't | D．have tried; can’t |
The workers ___ busily when the boss came to look for something she ___ in the office.
| A．had worked; had left | B．were working; had left | C．working; had left | D．had worked; left |
Her brother___ while he ___ his big horse and had his leg broken.
| A．fell; was riding | B．fell; ride | C．had fallen; was riding | D．had fell; rode |
“There is something wrong with my bike.” “It doesn't matter. I ___ lend you mine.”
| A．am to | B．am going to | C．must | D．will |
“You ___ to think for youself , you are to carry out my orders.”
| A．don't mean | B．aren't meant | C．don't want | D．aren't wanted |