Plastic is plastic for ________ after you throw it away.
[
]|
A .year and year |
B .years |
C .years and years |
D .a year and a year |
About ten ________ of packaging is plastic.
[
]|
A .percent |
B .percents |
C .a percent |
D .an percent |
Danny lost his homework, ________?
[
]|
A .isn't he |
B .didn't he |
C .couldn't he |
D .wasn't he |
They can't ________.
[
]|
A .let the water leak out |
B .let out |
|
C .let leak out the water |
D .let in |
Mr Li ________ study hard.
[
]|
A .encourage to |
B .encourages us to |
|
C .encourage for |
D .encourages for |
Here ________ some water.
[
]|
A .are |
B .is |
C .were |
D .was |
Look at the three ________!
[
]|
A .pieces of paper |
B .pieces of papers |
|
C .piece of papers |
D .piece of paper |
________ good idea!
[
]|
A .What a |
B .What |
C .How a |
D .How |
It would take too long ________.
[
]|
A .pick up |
B .to pick up |
C .picked |
D .picking |
We should ________ that garbage.
[
]|
A .pick |
B .pick off |
C .pick up |
D .pick down |