What is to call off?
To cancel an event, like a football match due to rain.
The noun from the verb 'behave'
Behaviour
What preposition is the adjective 'interested' followed?
In
I haven't seen him for years.
SINCE
It is.....
Years since I last saw him
What is to put up with?
To tolerate or accept an unpleasant situation without complaining.
The opposite of 'mature'
Immature
They accused him ___ stealing
Of
I'm sure she was happy.
MUST
She ..... happy.
Must have been
What is to come up with?
To invent an idea or plan.
The noun from the adjective 'strong'
Strength
congratulate someone _____ their exam success
On
They are building a new road.
BEING
A new road...
is being built
What is to take up?
To start doing a hobby, sport, or activity regularly.
What is 'cautious' and how was it formed?
The adjective form of the noun *caution*, meaning careful and avoiding risk.
prevent someone ____ doing something
From
It's a pity I didn't study harder.
WISH
I ......
I wish I had studied harder
What is to let down?
To disappoint someone by failing to fulfill a promise, obligation or expectation
What is encourage adn how was it formed?
The verb form of the noun *courage*, meaning to give someone confidence or support
Be cross ______ smb's actions
With
She asked me: "Have you studied here before?"
WHETHER
She asked me....
She asked me whether I had studied here before.