Our meeting room is ______ theirs.
| A．three times as bigger as | B．bigger than three times |
C．three times as the size of | D．three times the size of |
The idea for the new plan came to his mind, ______ to his experiment in the lab.
| A．while devoting | B．while devoting himself |
| C．while he was devoted | D．while devoted |
Traditionally, women in China are in red clothes on the wedding day, because red is the ______ of happiness and luck.
| A．logo | B．brand | C．symbol | D．slogan |
The road___________for vehicles is under repair. Drivers are required to take some other routes.
| A．meaning | B．meant | C．to mean | D．being meant |
Your coat is smarter than mine, but mine is _________ cheaper than yours.
| A．somewhat | B．a lot of | C．well | D．so |
Tell John not to leave the house unless he _________ that the lights_________.
| A．will make sure, will be turned off | B．will make sure, will turn off |
| C．makes sure, are turned off | D．is made sure, will be turned off |