.16.Both parents and teenagers must try to bridge the genera

.16.Both parents and teenagers must try to bridge the generation ______ betweenthem. （1分）
A.distance B.way C.gap D.hole
.17.He lost his temper. He could no longer ____. （1分）
A.controlhimself on
B.holdhimself in
C.controlhimself in
D.holdhimself on
.18.Hemingway ____ the story ____ his experience in Africa.（1分）
A.based…on B.found…on
C.made…of D.adapted…to
.19.Due to the visa problem, his plan to go to the U.S. had to be ______. （1分）
A.stopped B.cancelled C.closed D.arranged
.20.In the United States,riding bicycles, as an ideal way of keeping fit, has become ______ popular. （1分）
A.instantly B.improvingly
C.increasingly D.obviously
.21.The cheerful smile ______ from her face when she heard the bad news. （1分）
A.vanished B.finished
C.accomplished D.established
.22.Here is your umbrella. I took it ____ mistake yesterday. （1分）
A.in B.for C.by D.with
.23.They are all afraid of him and try their best to avoid ______ his name. （1分）
A.tomention
B.mentioning
C.tobe mentioning
D.mention
.24.---Hi, Mary, you look very tired,
---Yeah, I ______ for awhole week. （1分）
A.worked
B.hadworked
C.haveworked
D.havebeen working
.25.In a burst of anger she ______ that she would never want to see him again. （1分）
A.desired B.declared C.detected D.described