Traffic is
bumper to bumper
Could you let him know about the event if, by any chance, you run into him.
SHOULD
Should you (happen) to run into him, could you let him know about the event?
My two cents is to quit the club.
IF
If I were you, I'd quit the club.
Let's flip a coin: _____ I win, _______ you lose!
Heads, tails
I'm rather dubious ________ that claim
of/about
These shoes need to be replaced due to...
GIVEN THAT
Given that the students were dependent on their teachers for their learning, it's not surprising that they were disappointed when the majority went on leave.
I didn't die in the accident because of sheer dumb luck.
HAD
Had it not been for sheer dumb luck, I would have died in the accident.
I don't miss the ___________ of city life.
hustle and bustle
of
These two runners are...
neck and neck
Raquel can borrow her friend's book but she must not lose it.
PROVIDED THAT
Provided that she not lose it, Raquel can borrow her friend's book.
CONDITION
Students are allowed to drink water in the library on condition that their water bottles are transparent.
I can't believe you left me ___________ back there in the office meeting.
high and dry
I'm quite mystified _______ the elections results.
by/about
This room is extremely...
neat and tidy
Kindly do as you are asked, as I'm sure this matter will be sorted out at the police station .
IF
If you'd do as you are asked, I'm sure this matter will be sorted out at the police station .
I wouldn't have been able to save all those passengers except that my class inspired me to be brave in dangerous situations.
BUT FOR
But for my class inspiring me to be brave in dangerous situations, I wouldn't have been able to save all those passengers.
The rule is clear. There's no room for misinterpretations.
Replace the italicized word with a binomial.
black and white
of/about
The moon is
waxing and waning
I'm not making bank because I didn't become a doctor.
IF
If I had become a doctor, I would be making bank.
Technological advances might, in due course, render human labor obsolete.
WERE
Were technological advances to occur/Were there to be technological advances, human labor would be rendered obsolete.
I promise that I'll stick by you through _____________.
thick and thin
I'd be rather cautious ____ joining that group.
about