It is not immediately clear__________ the financial crisis will soon be over.
| A．since | B．what | C．when | D．whether |
--- What are you going to do this weekend?
---. If time permits, I may go to Shanghai with my friends.
| A．Don’t mention it |
| B．It doesn’t matter |
| C．Forget it |
| D．It depends |
Only after Mary read her composition the second time the spelling mistake.（2012 .天津）
| A．did she notice |
| B．she noticed |
| C．does she notice |
| D．she has noticed |
--- I don’t know about you, but I’m sick and tired of this weather.
--- I can’t stand all this rain．（2012．山东）
| A．I don’t care. |
| B．It’s hard to say. |
| C．So am L |
| D．I hope so． |
Never before seen anybody who can play tennis as well as Robert. (2012 . 江西)
| A．had she |
| B．she had |
| C．has she |
| D．she has |
Not until he went through real hardship the love we have for our families is important.（2013．福建）
| A．had he realized |
| B．did he realize |
| C．he realized |
| D．he had realized |