He made a promise ______ if anyone set him free He would make him very rich.
A. that
B. /
C. what
D. whether
20、I don’t suppose he cares,______ ?
A. do you
B. don’t you
C. does he
D. doesn’t he
21、I’ll show you the magazine ______ I bought the other day.
A. who
B. that
C. what
D. where
22、Abraham Lincoln is a man ______ I have the greatest respect.
A. who
B. to whom
C. whom
D. for whom