The pencil fell off the table and went _______across the floor.
| A．affecting | B．rolling | C．sorting | D．earning |
from the moon, our earth, with water seven percent of its surface, appears as a “blue ball”.
| A．Seeing…covered | B．Seen…covered | C．Seeing…covering | D．Seen…covering |
Nuclear energy may be dangerous if
| A．controls | B．not controlling | C．not controlled | D．controlled |
All of us, Jane，will make a trip to London next month.
| A．include | B．included | C．including | D．is included |
Mike lost the pen he paid 10 yuan.
| A．to which | B．which | C．for that | D．for which |
It’s dangerous to get close to the building now .
| A．being constructed | B．constructed | C．been constructed | D．to be constructed |