---Daniel, your books are in a terrible mess on your desk.

   ---Really sorry. I’ll           at once.

   A. put them away    B. put them out    C. put them on       D. put them down

---Daniel, your books are in a terrible mess on your desk. 

---Really sorry. I’ll           at once.

1. A.
   put them away
2. B.
   put them out
3. C.
   put them on
4. D.
   put them down

—Daniel, your books are in a terrible mess on your desk.

—Really sorry. I’ll ___________ at once.

A. put them away        B. put them out        C. put them on          D. put them down

---Daniel, your books are in a terrible mess on your desk.
---Really sorry. I’ll           at once.