We’ll plant trees tomorrow，and I don’t know________Tom will come and join us．
| A．if |
| B．which |
| C．what |
| D．where |
As a Chinese traditional martial art（武术）, Taijiquan _________ to more than 150 countries all over the world so far.
| A． |
spreads |
B． |
is spreading |
C． |
will spread |
D． |
has spread |
Robot dogs _________ as volunteers for the first time during the 2023 Asian Games.
| A． |
use |
B． |
used |
C． |
are used |
D． |
were used |
To live a green life, we should remember to _________ the lights when we leave a room.
| A． |
turn on |
B． |
turn off |
C． |
turn up |
D． |
turn down |
The movie Chang An _________ China’s rich history and culture to people around the world.
| A． |
protects |
B． |
compares |
C． |
introduces |
D． |
discovers |
UNICEF helps build a better world for everyone, _________ children all over the world.
| A． |
probably |
B． |
luckily |
C． |
especially |
D． |
closely |