of the surface of the earth covered with water.
| A．Seven-tens. . . are | B．Seven-tens…is | C．Seven-tenths. . . is | D．Seven-tenths. . . are |
How kind you are！You always do what you can ________ others.
| A．help | B．helping | C．helps | D．to help |
He sat in the armchair, ________ a newspaper.
| A．read | B．reading | C．to read | D．reads |
I haven't seen my old friends for years. I'm really looking forward ________them.
| A．meet | B．met | C．to meeting | D．to meet |
He often tells me ________ too much time ________ computer games.
| A．to not spend; play | B．not to spend; play |
| C．to not spend; playing | D．not to spend; playing |
—What a heavy rain!
—So it is. I prefer ________ at home ________ on such a rainy day.
| A．watch TV; to go out | B．watch TV; go out |
| C．watching TV; to going out | D．to watch TV; going out |