from the moon, our earth with water seventy percent of its surface, appears a blue ball.
| A．Seen; covered | B．Seen; covering |
| C．To see; covering | D．Seeing; covered |
When his wife returned, the husband noticed her hair _______ short.
| A．cutting | B．to be cut | C．being cut | D．cut |
This club _______ more than 200 members.
| A．is consisted of | B．is consisting |
| C．consists of | D．consist of |
I’m not sure whether this is the room ________ she left her dictionary.
| A．where | B．that | C．which | D．in that |
John is very __________. －if he promises to do something he’ll do it.
| A．independent | B．confident | C．reliable | D．flexible |
----- “Where is Mother.”
------ “She is still in the kitchen. She _______ the housework all morning.”
| A．is doing | B．was doing | C．has done | D．has been doing |