第四部分：单项选择（共10小题；每小题1分，满分10分）
从61—70各题所给的四个选项（A、B、C、D）中选出最佳答案。
61.-----Please ___________us in the discussion.
-----I’d like to, but I am____________ busy at the moment.
A. attend; to B. join; far too C. take part in; much too D. join; far too much
62. The film ___________on the book by Jack London is well worth______________.
A. basing; seeing B. based; being seen
C. to be based; to see D. based; seeing
