They/ friendly/ helpful/ their English/ much better/ mine
A.They are friendly, helpful and their English is much better more mine.
B.They have been friendly, helpful and their English have been much better than mine.
C.They are friendly, helpful and their English have been much better than mine.
D.They are friendly, helpful and their English is much better than mine.
A.They are friendly, helpful and their English is much better more mine.
B.They have been friendly, helpful and their English have been much better than mine.
C.They are friendly, helpful and their English have been much better than mine.
D.They are friendly, helpful and their English is much better than mine.
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