-- Is the Nanjing Bridge open to the public yet?
---Yes. It ____ for almost one and a half months .
| A．has opened |
| B．has being opened |
| C．has been open |
| D．was open |
Hawaii is __________ beautiful beaches.
| A．famous to its | B．famous for its |
| C．famous to it’s | D．famous for it’s |
It’s ____ unusual chance for Mr White to get such ______ useful advice.
| A．an; / | B．a; an |
| C．a; the | D．an; an |
It’s a good habit of doing your homework _________ you come home from school.
| A．if | B．when |
| C．as soon as | D．the same as |
Liu Xiang trained so hard ______ he hurt his foot.
| A．when | B．while | C．that | D．What |
– Will teachers _____ by computers in the future, Tony?
–Maybe yes, maybe no. But I’m sure we’ll learn from both of them.
| A．have replaced | B．are replacing |
| C．are replaced | D．be replaced |