---Have you been to the National Theatre?
---No, but I’ve bought two tickets for the concert to be given this weekend.
| A．yet | B．even | C．ever | D．already |
Our bad living habits will destroy the earth．Only by changing ______ we live can we save the earth．
| A．that | B．what | C．how | D．where |
If I were in _______position of the mayor, I wouldn’t allow _______factory like this standing on the bank of the Yangtze River．
| A．a；the | B．the；\ | C．the；a | D．\；the |
Please do remember that if you fail, make ______failure a stepping stone to ______success.
| A．a : / | B．the : a | C．/ ; the | D．/ : / |
John was made ______the truck for a week as a punishment.
| A．to wash | B．washing | C．wash | D．to be washing |
.- The light in the office is still on.
-Oh ,I forget____.
| A．turning it off | B．turn it off | C．to turn it off | D．having turned it off |