Tom is good at math______ I know.
—How was the concert last night?—It was so good. Though it nearly four hours, few people left early.
—Can you catch what I said?—Sorry, I can _________ understand it.
—Do you like swimming in winter?—Of course. The water a bit cold at first,but then I am warm and full of energy.
—I’ll not be Jack’s friend any more.—Don’t be angry. He’s just so , but in fact he’s good to us, you know.
It’s a wise ________ to wear the white tie. It matches your shirt well.