Question

---Where ____ the dictionary? I can't see it anywhere.
---I ____ it right here. But now it's missing

1. A.
   did you put; have put
2. B.
   have you put; put
3. C.
   had you put; was putting
4. D.
   were you putting; have put

Answer 1

B
前空为现在完成时，后空由关键词：now it's missing推出刚才放在---地方。