_____ the water run while you brush your teeth wastes water.
| A．Don’t let | B．Let | C．Not letting | D．Letting |
—I'm getting married next Monday. Would you like to attend my wedding?
—__________ I’d like to.
| A．Good luck. |
| B．Have a good time. |
| C．Have fun. |
| D．Congratulations. |
It's reported that a plane with five people __________ crashed several days ago.
| A．on board |
| B．on the board |
| C．in board |
| D．in the board |
__________ of 5000 visitors came to the exhibition. And __________，the museum got an income (收入)of $10,000.
| A．In total；totally |
| B．A total；in total |
| C．Total ； totally |
| D．Total ； a total |
The book cost me 12 yuan in all, postage __________.
| A．included |
| B．including |
| C．includes |
| D．is included |
Walking alone in the dark, the boy whistled to __________ his courage.
| A．hold up |
| B．keep up |
| C．set up |
| D．take up |