41.A.in the past B.at your disposal 42.A.necessarily 43.A.Because of 44.A.vicious 45.A.strength
B.hardly
C.for a moment
D.on your own D.infinitely D.Instead of D.vacant D.power D.inquire about
C.solely
C.As for
B.Apart from
B.vital
B.force
C.vocational
C.might
e about B.bring about C.look about
47.A.in exchange for B.in relation to 48.A.discouraged B.dissatisfied 49.A.while
B.unless
C.in comparison with D.in case of C.dismissed C.if
D.discounted D.though D.working on
50.A.working out B.working up
C.working against