Question

1. Why do you have to do this work ?

=> He asked Lan....

Answer 1

1. Why do you have to do this work ?

=> He asked Lan....why she had to do this work .....

Answer 2

Why do you have to do this work ?

=> He asked Lan Why she had to do this work.

Answer 3

1. Why do you have to do this work ?

=> He asked Lan why she had to do that work.

P/s: Phải chuyển this thành that chứ mng???