( ) 1. Do you know ___________________________?
A.where does he live B.where he lives
C.if he lives D. where did he lived.
( ) 2. He asked me __________he could come here.
A. that B. if C. which D. what
( ) 3. The old man told the police __________________?
A. who helps him B. who did helped him
C. who he helps D. who helped him.
