Miss Zhao is very helpful. She often helps us ____we are in trouble.

   A. whether   B. although    C. whenever   D. however

Miss Zhao is very helpful.   She often helps us________we are in trouble.

A.whether       B.although        C.whenever          D.however

Miss Zhao is very helpful. She often helps us ________ we are in trouble.

A. whether

B. although

C. whenever

D. however

Miss Zhao is very helpful, She often helps us ________ we are in trouble.

A. whether

B. although

C. whenever

D. however