The computer was invented in the 1940’s and ______ quite a lot ever since.
#100726
A
was changed
B
had changed
C
has been changed
D
will change
推荐题目
-- Who do you think ___ the book here? --- It may be John. He was sitting here all the morning.
#103608
A
has left
B
leaves
C
had left
D
was leaving
—Remember how we met for the first time, Dick?—Of course I do. You _______ to the teachers' office hurriedly and _________ me.
#101624
A
had walked; weren't noticing
B
were walking; didn't notice
C
had been walking; noticed
D
walked; had noticed
Lady Wang _____as a secretary for five years in the company, and now she is a general manager of it.
#100066
A
has served
B
serves
C
had been serving
D
served
.The sweater ________ easily; isn't it suitable for a person as lazy as you?
#99482
A
is washed
B
was washed
C
washes
D
has washed