"Have you done this sort of work before?" said his new employer

Question

Admin · Accepted Answer

His new employer asked him whether he had done that sort of work before.

Admin · Answer

His new employer asked him whether he has done that sort of work before.

Admin · Answer

His new employer asked him whether he has done this sort of work before.

Admin · Answer

His new employer asked him whether he had done this sort of work before.

Q. "Have you done this sort of work before?" said his new employer