When did the meeting begin?—At four o’clock．It ______ for 15 minutes．

It’s going to rain. Let me fetch an umbrella for you.—Thank you! You are so ________.

My mother is preparing my favorite dishes. Go with me and have a taste, okay ?—___________ and I’ll be glad to meet your parents.

How can you have so much success _____ business? [ ]

________ is this pen? — It’s white.