_________as one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.
#88255
A
Knowing
B
Known
C
To know
D
Know
推荐题目
Taking this medicine，if________，will of course do good to his health.
#88713
A
continued
B
to continue
C
continues
D
continuing
—Who are those with the flags?—A group________itself the League for Peace.
#98060
A
called
B
calls
C
calling
D
is called
Mr. Li devoted all his life English. Now he retired.
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A
to teach
B
to teaching
C
to be taught
D
to have being taught
The old couple, ________ in the small village for years, can tell the names of all the villagers.
#88789
A
living
B
lived
C
having lived
D
to have lived