—Do you have a knife?—Yes, I do. I have a big . A. / B. ones C. one
—Do you like our English teacher? —Yes. I think his class is very ________.
This is your pencil. ________ is over there, on the desk.
Doing morning exercises is good ________ our health.
He is going to study hard at math. He wants to be ________ engineer.
—Hi, Lucy. Your T-shirt is very nice. —____ A. No, it isn’t nice. B. Thank you. C. You’re right.