I ________you yesterday afternoon，but you ________at home.
| A．call，aren’t | B．am calling，aren’t |
| C．called，were | D．called，weren’t |
—Excuse me．Is this parking lot open for public use？
—No．But that across from the road is open for anyone．
| A．it | B．it's | C．one | D．its |
—What wonderful American stamp!
—Yes.Li Bai's thoughts on a Silent Night(《静夜思》)has been put onto it．
| A．/ | B．the | C．a | D．an |
—In our school，some students always litter on the ground．
—So they do Old habits die hard．
| A．It’s hard to throw away the bad habits． |
| B．It’s good to have some habits． |
| C．It’s easy to change the habits． |
| D．It’s fun to follow the rules． |
The English exam works like a dream，and all of us are happy．
| A．is strange | B．goes well |
| C．goes badly | D．is difficult |
It’s reported that at least 500 million people are using WeChat(微信) in China．
| A．50.000 | B．500，000 |
| C．500，000，000 | D．5，000 |