Li Fang is very busy，__________she’s always helping others with their lessons.?

A.but                    B.although             C.so                      D.for?

Li Fang is always ready to help others when they are in trouble and he never          their request.

A. turns up         B. turns over       C. turns in         D. turns down

 Li Fang is very busy, _______she’s always helping others with their lessons.

  A. but        B. although        C. so        D. for

Li Fang is always ready to help others when they are in trouble and he never          their request.

A. turns up     B. turns over   C. turns in     D. turns down

Li Fang is always ready to help others when they are in trouble and he never         their request.