If he ________ harder, he will catch up with us soon.
[
]|
A ．study |
B ．studies |
|
C ．will study |
D ．studied |
Although my bike is old, I like ________ very much.
[
]|
A ．one |
B ．this |
|
C ．that |
D ．it |
My pen is broken.I want to buy a new ________.
[
]|
A ．it |
B ．one |
|
C ．pen |
D ．that |
On his way home he saw a nurse ______ on the ground.
[
]|
A ．lie |
B ．lied |
|
C ．lying |
D ．lay |
Every year ______ of trees are planted on the hills to protect the environment.
[
]|
A ．a thousand |
B ．thousands |
|
C ．thousand |
D ．the thousand |