---Where is Miss Wang?

---She went to Hainan Island last week and will return ______ six days.

A．a(chǎn)go              B．later             C．behind           D．in

---Where is Miss Wang?
---She went to Hainan Island last week and will return ______ six days.

---Where is Miss Wang?
---She went to Hainan Island last week and will return ______ six days.

1. A.
   ago
2. B.
   later
3. C.
   behind
4. D.
   in