He will come to understand your efforts sooner or later. It’s just a ________of time.
Happily for John’s mother, he is working harder to _______ his lost time.
If you had _____ your test paper carefully before handing it in, you would have made fewer mistakes.
Would you slow down a bit, please? I can’t _______ you.
You’d better ______ some money for special use.
In order to ________ with the advanced countries, we must keep learning.