Her sister ____ a taxi driver. Now she works for a charity.
| A．is | B．were used to being | C．is used to being | D．used to be |
Don’t drink ____ water. There is no washroom on the bus.
| A．too much | B．much too | C．too many | D．many too |
____ is good _______ your health.
| A．Walk, to | B．Walking, to | C．To walk , with | D．Walking, for |
After hard work, he felt __________ tired to walk.
| A．so | B．to | C．too | D．Very |
— Look at these flowers. —__________ beautiful they are!
| A．How | B．Do | C．What | D．Which |
— How many students are there in your school?
—______ students, I think.
| A．Thousand of | B．Two thousands | C．Two thousand | D．Two thousands of |