We should help people who are in hot water, then the word will get more and more beautiful..
| A．are swimming | B．are in trouble |
| C．have no hot water | D．have no water. |
Trees __________ on Tree Planting Day only.
| A．shouldn’t be planted | B．should not plant |
| C．shouldn’t be planting | D．not be planted |
Sorry, smoking ________ here.
| A．isn’t allowed | B．doesn’t allow | C．didn’t allow | D．wasn’t allowed |
Some rules _________ to stop people from polluting the environment.
| A．must make | B．must be made | C．must made | D．be made |
I can’t go to the party, because I have to ________ my daughter at home.
| A．take away | B．take off | C．take care of | D．take out of |
—________ you tell us a funny story?—Certainly.
| A．Must | B．Should | C．Can | D．May |