The World Expo (世博会) ____________ in Shanghai now.
| A．being had | B．is having | C．is holding | D．is being held |
Excuse me. I _______ I was blocking(挡) your way.
| A．didn't realize | B．don't realize |
| C．haven't realized | D．wasn't realizing |
I ______ go to bed______ my mother came back home.
| A．won’t, until | B．didn’t, until |
| C．will, until | D．won’t,when |
---She’s never been to Hainan, ________?
---________. She went there last week for the first time.
| A．has she; Yes, she has | B．has she; No, she hasn’t |
| C．hasn’t she; Yes, she has | D．hasn’t she; No, she hasn’t |
---Why did you buy a radio?
--- ______ English.
| A．Learn | B．Learning |
| C．To learn | D．Be learning |
---Could you please come to the museum with me this afternoon?
---Sorry, I ______ . I have to take a piano lesson at 2 pm.
| A．couldn’t | B．mustn’t |
| C．can’t | D．needn’t |