There__________ great changes in our city in the past 10 years.
| A．were | B．had | C．have been | D．have had |
After school he didn't go home. ______, he went to the playground.
| A．But |
| B．While |
| C．Instead |
| D．Instead of |
______ summer nights, we often go to sleep ______ the window open.
| A．At; with |
| B．On; with |
| C．In; for |
| D．At; on |
If I went to the moon, I ______ bring something unusual back to the earth.
| A．could |
| B．will |
| C．would |
| D．shall |
Why do you get your hair ______ red? Do you think it's beautiful?
| A．color |
| B．colored |
| C．to color |
| D．coloring |
—We are proud that the 2008 Olympics Games was held in Beijing.
—______.
| A．So I am |
| B．So am I |
| C．So it is |
| D．So is it |