1. —Bob, how about going swimming this weekend?
—Go swimming in this weather? _____.
A. Not likely B. Have a good trip
C. OK D. I’m fond of that
2. _____， you have studied very hard; on the other (hand) you have not learned as much as you need.
A. Instead B. On the one hand
C. Though D. First of all
3. —May I have a look at those books？
—______.
A. Not at all B. That’s right
C. Be my guest D. You’re welcome
