He ate the cake,
didn't he
To explain something more clearly to make it easier to understand
clarify
To become ill
come down with
A story many people believe, but is not true
myth
I can't find my keys anywhere. I _____ (leave) them at the coffee shop.
might have left / must have left
She loves reading,
doesn't she?
To remove something that is not wanted or needed
eliminate
A continuous pain in one part of your body
ache
A large amount of something in one place
concentration
I don't know exactly why the meeting was canceled, but the boss _____ (be) sick.
may have been / might have been
You aren't listening,
are you?
The number of times that something happens
incidence
An illness caused by bacteria or virus that affects one part of the body
infection
Causing hurt or damage
harmful
You _____ (see) John at the cinema last night—he was out of the country!
can't have seen
They mustn't know,
must they?
Based on strong reasons or facts
valid
Very important or very serious
critical
To change food to a form the body can use
digest
Look at the receipt! The waiter ________(overcharge) us; a single coffee costs ten dollars here!
must have overcharged
It will rain tomorrow,
won't it?
To make a judgments about a person or situation after thinking carefully about it.
assess
Likely to caused death
life - threatening
To move around continuously (within a system)
circulates
"My grandmother _______________________ (send) you that email yesterday; she doesn't even know how to turn on a computer."
can't have sent / couldn't have sent