—Please don’t throw paper on the ground．
—________，I won’t．
| A．Excuse me |
| B．That’s all right |
| C．Sorry |
| D．It doesn’t matter |
They________five English songs so far．
| A．learn |
| B．learnt |
| C．will learn |
| D．have learnt |
It’s 7:30．I can’t believe you________cooking dinner yet，Sandy．
| A．didn’t start |
| B．haven’t started |
| C．don’t start |
| D．won’t start |
—Now Nanjing is so beautiful that I can’t recognize it．
—Yes．Great changes________in the past ten years．
| A．has taken place |
| B．have taken place |
| C．took place |
| D．take place |
Mo Yan，a famous Chinese writer，won the Nobel Prize for literature at the end of the year 2012．We learn that success________the person with a never－give－up attitude．
A．drives out
B．takes over
C．belongs to
—Your classroom looks bright and tidy．
—It________after school every day．
| A．cleaned |
| B．is cleaned |
| C．cleans |
| D．was cleaned |