1. Listen! His family must be quarreling, ________?

      A. mustn’t it       B. aren’t they             C. isn’t it                  D. needn’t they

2.       --- Good evening. I _______ to see Miss Mary.

--- Oh, good evening. I’m sorry, but she is not in.

A. came                 B. come                    C. have come                   D. had come

3.       The driver couldn’t react quickly enough when the road bent ________.

A. seriously          B. directly                C. positively              D. sharply