--Shall we go to visit Uncle Lee this weekend?

   --_________. I wonder whether I will be free that day.

      A. It doesn’t matter                                      B. It all depends

      C. I’m afraid we should                                D. I don’t mind

What do you think _____ do to protect wildlife?

Not only_______know the theory, but also_______learn how to apply it in practice.

A. should we; should we                   B. we should; we should

C. should we; we should                   D. we should; should we

 --Shall we go to visit Uncle Lee this weekend?

   --_________. I wonder whether I will be free that day.

       A. It doesn’t matter       B. It all depends

       C. I’m afraid we should D. I don’t mind

 What do you think _____ do to protect wildlife?

A. should we    B. we should   C. it we should   D. it is we should