The manager was concerned to hear that two of his trusted workers ______. 
#102158
A
will leave
B
are leaving
C
have left
D
were leaving
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Because the shop_______, all the T-shirts are sold at half price.
#99936
A
has closed down
B
closed down
C
is closing down
D
had had closed down
Ladies and gentlemen,please fasten your seat belts.The plane       .
#102007
A
takes off
B
took off
C
is taking off
D
has taken off