Anna has a cold—she should ________________ at home.
rest
Scientists use ________________ technology to measure air pollution.
Early
Modern
Century
A group of scientists is __________________a smartphone app that measures air pollution.
developing
breaking
containing
She ate too much food, so she has a ________________ now.
Stomachache
Ling has a fever. What should she does / do?
do
She should / shouldn’t take some medicine.
should
Why don’t we visit / to visit her?
Visit
No, we should / shouldn’t do that. She needs to rest.
shouldn't
I _____________ a cold over the weekend
caught
look
recover
take
I’m still ________________ from it.
look
caught
take
recovering
Did you ______________ any medicine?
recover
caught
take
look
my mother’s here to ________________ after me.
caught
take
look
recover
What is it?
Air Pollution
What is it?
Exercise
What is it?
unhealthy
What is it?
breathe
