Today computers ______in both cities and towns.

Today computers ______in both cities and towns A.were using B.are used C were used D are using 为

Today computers _____ in both cities and town.

[ ]

A. are using B. are used C. were used

Today computers ______in both cities and towns.空格后面的是句子的什么成分
如果可以的话,把那些定语,状语之类的怎么分辨也讲一下,实在给不了分

当今计算机在世界广泛使用 today computers _____ ______ ______ _______ over the world

1.Today computers（ ）a great deal in many fields.
A.are use
B.use
C.are used
D.used
2.All things（ ）,the result is satisfactory.
A.considered
B.to consider
C.considering
D.are considered
3.He is very（ ）.He often comes first in shot putting.
A.simple
B.strong
C.strict
D.small
4.A man who does not learn from others can't hope to _（ ）much.
A.approve
B.achieve
C.access
D.advance
5.An accurate knowledge of weather conditions helps a pilot （ ）certain good conditions.
A.take advantage of
B.take care of
C.take place in
D.take part in
6.Which do you like（ ）,oranges,apples or bananas?
A.well
B.best
C.better
D.good
7.An overseas student studies（ ）.
A.at home
B.abroad
C.at sea
D.on a ship
8.At that time they were poor,and they went （ ）a difficult time.
A.in for
B.along with
C.down
D.through
9.I have（ ）a taxi for them.
A.arrange
B.arranging
C.arranged
D.to arrange
10.Does John （ ）a brother?
A.have
B.has
C.is
D.are
11.These kites are made （ ）paper.
A.from
B.of
C.in
D.with
12.He（ ）many beautiful post cards to us .
A.takes
B.shows
C.obtains
D.has
13.Did you （ ）the picnic yesterday?Yes,we（ ）it very much
A.enjoy,enjoy
B.enjoyed,enjoyed
C.enjoy,enjoyed
14.A new technique（ ）,the yields as a whole increased by 20 per cent.
A.working out
B.having worked out
C.having been worked out
D.to have been worked out
15.I share the room （ ）my twin sister.
A.of
B.to
C.in
D.with
16.He is to（ ）a train to Paris this afternoon.
A.by
B.take
C.on
D.get
17.-Where are you from?-（ ）from China.
A.I am
B.I is
C.You are
D.You is
18.My mom （ ）clothes now.
A.is washing
B.wash
C.washed
D.washes
19.Any （ ）of the items in filling in the form is not allowed.
A.lack
B.omission
C.word
D.effort
20.An uncertain number of people were waiting.The （ ）of the election is still uncertain.
A.expectation
B.possibility
C.development
D.outcome