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 |
Some parents are just too protective. They want to ______ their kids from every kind of danger, real or imagined. 
| A．spot | B．dismiss | C．shelter | D．distinguish |
To understand the grammar of the sentence, you must break it into parts. 
| A．down | B．up | C．off | D．out |
We went to Canada to travel and my cousin ______ as our guide. 
| A．played | B．showed | C．acted | D．performed |
If you think that treating a woman well means always her permission for things, think again. 
| A．gets | B．got | C．to get, | D．getting |
Someone who lacks staying power and perseverance is unlikely to ___ a good researcher. 
| A．make | B．turn | C．get | D．grow |