Choose the correct (and most natural-sounding) response to complete each sentence with an idiom:

You have to carve out _________________ niche for your business.
1. the
2. a
3. NO ARTICLE
He struggled to come to _________________ grips with recent events in his life.
1. the
2. a
3. NO ARTICLE
Did he ask you to marry him? = Did he pop _________________ question?
1. NO ARTICLE
2. the
3. a
It's not very complicated. = It's not _________________ rocket science.
1. NO ARTICLE
2. a
3. the
Their business relationship is on _________________ mend. ( = improving)
1. the
2. a
3. NO ARTICLE
You have to play by _________________ rules if you want others to respect you.
1. a
2. NO ARTICLE
3. the
She thought there were a legitimate business, but they took her for _________________ ride.
1. a
2. NO ARTICLE
3. the
They told this to me in _________________ strict confidence.
1. NO ARTICLE
2. a
3. the
He did it secretly. = He did it on _________________ sly.
1. NO ARTICLE
2. the
3. a
He was playing for _________________ time. = He was procrastinating.
1. a
2. the
3. NO ARTICLE