The news reporters hurried to the airport, only ________ the film star had left.
| A．to tell | B．to be told | C．telling | D．told |
Americans eat __ vegetables per person today as they did in 1910.
| A．more than twice | B．as twice as many |
| C．twice as many as | D．more than twice as many |
I wonder if you know it ___ .
| A．in all | B．all in all | C．above all | D．at all |
The number of people invited ___ fifty, but a few of them ___ absent for different reasons.
| A．were; was | B．was; was |
| C．was; were | D．were; were |
—George is a wise person.
—But in my opinion, he is ___ than wise.
| A．cleverer | B．braver |
| C．more brave | D．less braver |
The roof fell ____ he had time to rush out.
| A．until | B．before | C．when | D．Since |