The enlarged school campus is the old one.
| A．as three times big as | B．three times as big as |
| C．big three times than | D．as big as three times |
—They are quiet, aren't they?
—Yes. They are accustomed __________ at meals.
| A．talk | B．to not talk |
| C．to talking | D．to not talking |
Michael's new house is like a huge palace, __________ with his old one.
| A．comparing | B．compares |
| C．to compare | D．compared |
Sorry I'm so late, but you cannot imagine __________ great trouble I took to find your house.
| A．what | B．how | C．which | D．why |
She is __________ the newspapers to be thrown away and putting away the rest.
| A．sorting out | B．figuring out |
| C．making out | D．turning out |
__________ young people are making efforts to take more exercise and eat healthily, they are still putting on weight.
| A．Because | B．Now that |
| C．When | D．While |