—________is the river？
—It’s about 5 meters in depth．
| A．How long |
| B．How heavy |
| C．How deep |
| D．How much |
The telephone ________ in 1876.
| A．invents | B．invented |
| C．is invented | D．was invented |
Look! The workers ________ some subways now. the traffic in Nanning will be better soon.
| A．build | B．built | C．are building | D．were building |
You will be late for school ________ you don’t get up early.
| A．but | B．and | C．if | D．or |
Animals are our good friends. We are supposed ________ them.
| A．to protect | B．protect |
| C．protecting | D．protected |
–Have you ever been to Guilin?
--No, ________. I hope I can go there next year.
| A．always | B．sometimes | C．never | D．often |