1.She left the party ___ her headache.
   A.because
   B.since
   C.in spite of
   D.because of
2.You shouldn't eat so much chocolate ___ meals.
   A.except
   B.between
   C.unless
   D.through
3.Some animals sleep ___ day and wake up ___ night.
   A.by;by
   B.at;by
   C.by;on
   D.on;in
4.-- What time is it,please?
   -- It is seven ___ my watch.
   A.in
   B.at
   C.for
   D.by
5.You'll be able to speak English ___ practising from time to time.
   A.in
   B.by
   C.with
   D.for
6.___ the end of last year we had learned five English songs.
   A.At
   B.By
   C.In
   D.On
7.A man should not be judged always ___ what he says.
   A.by
   B.in
   C.with
   D.to
8.The guests will be here ___ two o'clock.
   A.in
   B.on
   C.for
   D.by
9.Some people got up and left the hall ___ the show.
   A.while
   B.during
   C.between
   D.through
10.How much must I pay you ___ the tickets ___ tonight?
   A.of;of
   B.for;for
   C.for;about
   D.for;to
11.I am grateful ___ your help ___ me.
   A.to;for
   B.for;to
   C.to;to
   D.for;for
12.Joan is always praised ___ her cleverness.
   A.of
   B.in
   C.for
   D.by
13.It's quite warm today ___ January.
   A.for
   B.in
   C.at
   D.on
14.I bought this book ___ fifty cents.
   A.at
   B.about
   C.of
   D.for
15.Chinese is a language ___ more native speakers than any of the
   other languages.
   A.with
   B.spoken
   C.which
   D.has
16.Please write ___ pencil, not ___ ink.
   A.in;with
   B.in a;with
   C.with a;in
   D.with;in
17.___ the development of science and technology, our country has
   become richer and stronger.
   A.In
   B.By
   C.At
   D.With
18.___ the rise in prices,life is getting harder.
   A.With
   B.On
   C.As
   D.For
19.He has no good pen ___.
   A.to write
   B.to write with
   C.to wrtie on
   D.writing
20.Mary was disappointed when she found out they had gone to the
   ball ___ her.
   A.except
   B.except for
   C.for
   D.without


