— What’s a reasonable tip to leave to the waitress?
— （）, I usually leave 20% of the dinner price.

单项选择题— Thank you for the flowers. — （）. I thought they might cheer you up.

A.That’s right
B.All right
C.I’m all right
D.It’s all right

单项选择题— The coat I received is not the same as is shown online. — （）? But I promise you we’ll look into it right away.

A.Who says
B.How come
C.What for
D.What if