—You haven’t been to the USA, have you?
— But how I wish to go there again!
| A．Yes, I have. | B．No, I have. |
| C．No, I haven’t. | D．Yes, I haven’t. |
When H7N9 bird flu first appeared,people didn’t know _____ doctors could cure it.
| A．if | B．that | C．What | D．Why |
------Do you mind me sit here?
------_________,it’s for Mr Brown.
| A．Not at all | B．Never mind |
| C．Better not | D．Of course not |
I was born ___ the evening ___ March 12,1997.
| A．in on | B．in of | C．on of | D．in on |
Have you seen ______ pen? I left it here this morning．
Is it ____ black one? I think I saw it somewhere．
| A．a， the | B．the， the |
| C．the， a | D．a， a |
___ it was very cold, ___my friend still went swimming in Jialing River this morning.
A. Although;/
B. Although; but
C. But; although