A.which
B.that
C.in which
D.whom
B.where he needed
C.where he is mostly needed
D.where is he mostly needed
A.acts
B.as if
C.is
D.at all
A.as for
B.owe to
C.except for
D.but for
A.Would he leave
B.Were he to leave
C.Was he leaving
D.If he leave
A、will he realize
B、he did realize
C、did he realize
D、should he realize
A.Was he leaving
B.Were he to leave
C.Would he leave
D.If he leaves
A.did he realize
B.realized he
C.he realized
D.he did realize