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Nothing is difficult if you put your heart into it,        ?

A. are they                    B. isn’t it               C. is it                          D. aren’t they

Nothing is difficult if you put your heart into it,       ?

A. are they                    B. isn’t it               C. is it                          D. aren’t they

Nothing is difficult in the world if you put your heart into it, ________ ?

A. aren't they

B. are they

C. isn't it

D. is it