He doesn’t have the habit of planning his travel expense, so he won’t know what to do _______ the money runs out

Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes ______.

________ day it is ! —Let’s go out and enjoy the sunshine.

It’s really unwise of some teenagers from low-income families to spend a large sum of money on Apple products ______ they could buy other cheaper brands

This magazine is very ________ with young people who like its content and style.[ ]