--- Look! Mary is sleeping.
--- Why not ________ the TV and close the door for her?
| A．to turn off | B．turn off |
| C．turned off | D．turning off |
_____ pleasant life we are having in the new century!
| A．What | B．How | C．What a | D．How a |
There __________ great changes in our hometown over the twenty years.
| A．have taken place | B．have had | C．have been | D．were |
The water in this river is harmful because It’s a ______ river.
| A．pollution | B．polluted |
| C．has polluted | D．pollutes |
I won’t go to see the film this evening because I _____ my ticket just now.
| A．have lost | B．will lost | C．lost | D．lose |
--- Where is your mother?
--- She _______ to Sichuan on business. She has ______ there four times recently.
| A．has gone, gone | B．has been, been |
| C．has gone, been | D．has been, gone |