________which university to attend，the girl asked her teacher for advice.
| A．Not knowing | B．Knowing not |
| C．Not known | D．Known not |
Judging from his accent, he_______ be from Australia.
| A．needn't | B．mustn't | C．can't | D．wouldn't |
-Can we sit at the table by the window? -I'm sorry, but it_______ already
| A．has taken | B．has been taken |
| C．was taken | D．took |
They reached the top of the mountain__________ they could see the highway wandering before them.
| A．which | B．why | C．whose | D．where |
______ in the training, Marbury couldn't play in the basketball season.
| A．Injuring | B．Injure |
| C．Injured | D．To injure |
His mother made Greg orange juice every day, _______would help his recovery.
| A．which | B．who | C．when | D．that |