Spending the summer travelling around India is a great idea, but it does __________the question of how we can afford it.
beg
slip your mind
to forget
set the record straight
correct a misunderstanding.

to piece together
assume
assumption, assuming, unassuming, assumed
He was able to ___________ out who the killer was pretty quickly.
figure
be in two minds
indecisive/ to be in a dilema
to be straight
to be heterosexual

go up the wall
believe
disbelieve, belief, disbelief, (un)believer,(un)believable, disbelieving, unbelievably
A few years later, his father _________ upon a really original money-making scheme.
hit
have a one-track mind
a person is preoccupied with one subject or interest.
give a straight answer
A short and direct answer with no worries about hurting a person's feelings

see red
brilliant
brilliance, brilliantly
It's true to say that despite inflation, on ___________, I think we've had a very good year.
balance
absent-minded
forgetful
come/go/get straight to the point
not to split hairs, not to beat about the bush
reason
reasoning, reasonableness, (un)reasonable, reasoned, (un)reasonably
I’ve got to _____________ up the French Revolution for tomorrow’s test.
swot
have something on your mind
to worry about something
think straight
to think clearly

to cross one's mind/never to cross one's mind
define
definition, (un)defined, definitive(ly), (in)definite(ly)