It _________ you to at least 50% off the regular price of either frames or lenses when you buy both.
In order to improve English, ________________.
With his work_________________on time, he felt very excited.
Sarah, hurry up. I’m afraid you won’t have time to__________________before the party.
Children will work actively if_________________.
He told us an interesting story about himself, _______________why he didn’t succeed that time.