A.which
B.where
C.whether
D.when
A.eager
B.dependent
C.focused
D.intent
A.whether
B.though
C.unless
D.however
A.hold up
B.hold on
C.keep on
D.keep up
A.have I seen
B.if I had seen
C.had I seen
D.whether I have seen
s finished it.
A.to be heard
B.to be hearing
C.to hear
D.to have heard