This is one of ________ interesting books I have ever read.

It is one of the best concerts I_____ .A. went toB. had gone toC. have ever been to

I have read the book for ten times, but still cant make head or______of what this author w

He is not one of those_____members of the staff who read "The.Times" and take an interest

This is _____ the most difficult job I have ever tackled.A:by rightsB:by itselfC:by one

There are ten stories in this book,______are the most interesting ones.A．the first four of

—Did you like the book I gave you？—______the novels that Ive read,I enjoyed this one the m