11. He has an unusual _________ of life.
A. conception B. look
C. philosophy D. science
12. Professor Tate _________ about him.
A. heard the students to talk B. heard the talk by the students
C. heard the students talking D. heard the students talk
13. Before we commence again, let me give you a word or two of advice, _________?
A. will you B. shall I
C. don’t I D. won’t you
14. He would have given more help, but he _________ so busy.
A. is B. would be
C. has been D. had been
15. The hot water _________ my pullover.
A. shrank B. withdrew
C. wither D. retreated
