It shows that ______ knowledge of first aid can make _____ real difference.
| A．a. /; a | B．/; the |
| C．the; the | D．the; a |
一Would you mind me keeping the book for another two weeks?
—__________．I have finished it anyway.
| A．It depends | B．You’re welcome | C．No problem | D．Yes, please. |
Mr. Smith owns——collection of coins than anyone else I have ever met．
| A．1arger | B．a larger | C．the larger | D．1arge |
. _______ myself to my study, I would be sitting in a comfortable office now.
| A．If I devoted | B．Should I devote | C．Would I devote | D．Had I devoted |
Sunset at Mount Huangshan is a beautiful scene, _______ I’ll never forget.
| A．one | B．it | C．what | D．that |
Mike is handsome, kind and full of energy. , I can’t speak too highly of him.
| A．As a result | B．By the way | C．In a word | D．On the contrary |