the staff / help / me / send the money / very helpful and courteous

          the staff / help / me / send the money / very helpful and courteous

GRAMMAR (Ngữ pháp)

Đề bài:

a.      The staff helped me to send the money were very helpful and courteous.

b.      The staff that helped me to send the money which were very helpfill and courteous.

c.      The staff whom helped me to send the money they were very helpful and courteous.

d.      The staff that helped me to send the money were very helpful and courteous.
c.      The staff whom helped me to send the money they were very helpful and courteous.