The math problem is so hard. I really don’t know .
| A．how to do it | B．how to do | C．what to do it | D．where to do it |
—Don’t make too much noise.
—_______________.
A. Yes, I do
B. No , I don’t
C. Sorry, I won’t
There ________ great changes in Zhangzhou since 2010.
A. have had B. has been C. have been
—Let’s go to Zhongshan Park by taxi.
—It’s not far. We _________ take a taxi.
A. needn’t B. can’t C. mustn’t
Your coat is so cool. Could you tell me ________________?
A. where you buy it
B. where did you buy it
C. where you bought it
Can you follow _______ I say.?
A. thatB. what C. which