Mr. Brown, please point out my spelling mistakes, _____.
| A．if may | B．if have | C．if any | D．if has |
Bring the flowers into a warm room ________ they’ll soon open.
| A．or | B．and |
| C．but | D．for |
________there is no law stating how you may dress，not all fashions are respectable.
| A．Because | B．Since |
| C．While | D．Unless |
I will put the book________you placed it and make a mark at the place________I put it.
| A．where；at which | B．at which；at which |
| C．where；which | D．at which；where |
________ you may have，you should gather your courage to face the challenge.
| A．However a serious problem |
| B．What a serious problem |
| C．However serious a problem |
| D．What serious a problem |
—Haven’t seen Lucy recently，what’s happened?
—Oh，it’s more than two months ________ she worked here.
| A．which | B．that |
| C．before | D．since |