Teenagers ____ their health because they play computer games too much.
#104014
A
have damaged
B
are damaging
C
damaged
D
will damage
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Some research workers completely all those facts as though they never existed.
#101176
A
refuse
B
miss
C
leave
D
ignore
—Seems you are quite familiar with Russia.—That is because I _________ the country in 1999.
#103907
A
have visited
B
was visiting
C
had visited
D
visited
Hurry! The plane ______ . You know, it ______at 3:15.
#100058
A
takes off, takes off
B
is taking off, takes off
C
takes off, is taking off
D
is taking off, is taking off
Listen to the two girls by the window. What language _________?
#99581
A
did they speak
B
were they speaking
C
are they speaking
D
have they been speaking
The wide spread of super hybrid rice around the world ______ the lives of millions and millions of people suffering from hunger to a great level.
#102778
A
has improved
B
is improving
C
improved
D
has been improving