II. Choose the correct variant.
1. Show me ... you have in your hand.
A. what B. which C. whose
2. The woman ... is standing at the window is our English teacher.
A. what B. which C. who
3. The books ... are on the table must be returned to the library today.
A. what B. which C. whose
4. Do you know the man ... house we saw yesterday?
A. what
B. which
C. whose
5. We had a river in ... we could swim.
A. what
B. which
C. whose