Ladies and gentleman, please fasten your seat belts! The plane ________.
#103002
A
takes off
B
is taking off
C
has taken off
D
took off
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 Hurry up! The train _______. You know it _______at 10:00pm.
#100018
A
leaves; leaves
B
is leaving; leaves
C
leaves; is leaving
D
is leaving; is leaving
Luckily good things _________ here to save local wildlife.
#102513
A
are doing
B
are being done
C
had been done
D
will do