You _______ wash your hands before meals. It is good for your health.
| A．may | B．can | C．have to | D．must |
（云南）—Oh，dear!Your room is untidy．
—Sorry，mom．I’ll________．
| A．set it up |
| B．clean it up |
| C．put it up |
| D．look it up |
The woman________all her money to charities to help the poor．
| A．gave off |
| B．gave up |
| C．gave away |
| D．gave in |
Thank you for your help，Linda．You made________possible for us to finish the work in time．
| A．this |
| B．it |
| C．them |
| D．that |
The girl is so________that she can work out all the physics problems easily．
| A．lazy |
| B．clever |
| C．beautiful |
| D．strict |
Please________the door so that the dog can’t go into the room．The babies are sleeping in the room and they are afraid of dogs．
A．open
B．close
C．turn on
B．turn off