Susan went into her bedroom and ate chocolate _________，not letting her parents know that.
| A． |
slowly |
B． |
calmly |
C． |
secretly |
D． |
properly |
Listen!Our science teacher _______________the use of the robot.
| A． |
explains |
B． |
explained |
| C． |
is explaining |
D． |
has explained |
There are many_____________ teachers in this primary school.
| A． |
woman |
B． |
woman's |
C． |
women |
D． |
women's |
The Tianwen﹣1 Probe landed on Mars___________ May 15th，2021.
| A． |
at |
B． |
in |
C． |
to |
D． |
on |
Taking the train is _________good way to see the world.
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |
- I have applied to be a volunteer for the 2022 Asian Games.
-____________!It will be a meaningful experience.
| A． |
You bet |
B． |
Come on |
| C． |
No problem |
D． |
That's cool |