—Sam, come downstairs, please. I need your help.
—Sorry，mum. I on the phone..
| A．am talking | B．talked | C．was talking | D．have talked |
-What do you think of the young woman singer?
-It's hard to say, but her voice __________ beautiful.
| A．tastes | B．sounds |
| C．looks | D．shouts |
To his surprise, Jack got a low __________ in the final exam.
| A．goal | B．report |
| C．score | D．match |
He practices __________ English every day.
| A．saying | B．speaking |
| C．talking | D．telling |
I __________ my pen everywhere, but I didn't find it.
| A．looked down | B．looked after |
| C．looked for | D．looked out |
-The light in the office is still on.
-Oh, I forgot __________.
| A．turning it off | B．to turn it off |
| C．turning it on | D．to turn it on |