请帮我做几道英语选择题,并简单分析下.

请帮我做几道英语选择题,并简单分析下.
1.I won't lend you the book until I ( ) reading it.
A.will finish B.have finished C.shall finished D.will have finished
2.Helen ( ) her keys in the room so she had to wait until her husband ( ) home.
A.has left,come B.left,had come C.had left,came D.had left,would come
3.The CCTV( ) English programme ever since 1977.
A.broadcast B.were broadcasting
C.has been broadcast D.has broadcast
4.They sugested ( ) the truth to her.
A.not to tell B.should not tell C.not tell D.not telling
5.Lisa( ) a book about China last year,but I don't know whether she has finished it.
A.wrote B.has written C.was writing D.had written