More trees every year to make our city greener．（ ）
| A． |
is planted |
B． |
are planted |
| C． |
was planted |
D． |
were planted |
—Betty, you’d better follow the doctor’s ________ and do more exercise.
—I will. Thank you.
| A． |
advice |
B． |
agreement |
C． |
information |
Please ________ the lights when you leave the room. Be a greener person.
| A． |
turn off |
B． |
turn on |
C． |
turn up |
As the art festival is coming, they are preparing everything by ________.
| A． |
yourselves |
B． |
ourselves |
C． |
themselves |
________ May 2022, we held many events to celebrate the 100th birthday of the Communist Youth League of China.
| A． |
At |
B． |
In |
C． |
On |
— Jenny, why not go for ________ picnic this Saturday?
— Sounds great.
| A． |
a |
B． |
an |
C． |
the |