Question

改錯(cuò)I'm glad to hear that you'll return back home   soon.

1. A.
   hear
2. B.
   return back
3. C.
   home
4. D.
   soon

Answer 1

B
去掉back。return home意為“回家”，相當(dāng)于come back home，因此back在這是重復(fù)而多余的。