_______to take this adventure course will certainly learn a lot of useful skills.
| A．Brave enough students | B．Enough brave students |
| C．Students brave enough | D．Students enough brave |
——Hey, can I ask you a favor?
――_______
| A．Here you are | B．just as I thought |
| C．how is it going? | D．what can I do for you? |
The sunlight is white and blinding, _______ hard-edged shadows on the ground.
| A．throwing | B．being thrown | C．to throw | D．to be thrown |
It was a real race _______ time to get the project done. Luckily, we made it.
| A．over | B．by | C．for | D．against |
“You can’t judge a book by its cover,” ________ .
| A．as the saying goes old | B．goes as the old saying |
| C．as the old saying goes | D．goes as old the saying |
There's no way of knowing why one man makes an important discoveryanother man, also intelligent, fails.
| A． | since | B． | if | C． | as | D． | while |