A. What
B. What a
C. What an
D. How
A. watches
B. watched
C. was watching
D. had watched
A. If
B. Since
C. Although
D. Because
A. with
B. of
C. from
D. to
A. not to watch
B. to not watch
C. not watching
D. doesn't watch
A. helping
B. helped
C. to help
D. help
A. can
B. must
C. should
D. is supposed to
A. open
B. close
C. opened
D. closed
A. to
B. by
C. with
D. in
A. f(-4)<f(-2)<f(-1)
B. f(-2)<f(-1)<f(-4)
C. f(-2)<f(-4)<f(-1)
D. f(-1)<f(-2)<f(-4)