---Would you mind my sitting here?
-- _____. Sit down, please.
A. Of course B. Not at all
C. I’m afraid not D. Sorry, you can’t.
Could you please ____me some suggestions for the plan?
A. to offer B. offer C. to provide D. provide
Susan thought ____not easy to answer all these questions.
A. it B. that C. them D. this
—Meat isn’t really dangerous , is it?
--Oh! ____! It’s not at all good for our health.
A. Yes, it isn’t B. No, it is
C. Yes, it is D. No, it isn’t
She opened all the windows _____she could take a bit more of fresh air.
A. so that B. such that C. in order to D. such
--____are you staying in Ottawa?
--About two weeks.
A. How many B. How long C. How far D. How soon