Rainforests ____ and burned at such a speed that they will disappear from the earth in the near future.
#101404
A
cut
B
are cut
C
are being cut
D
had been cut
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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
When the old man ______ to walk back to his house, the sun       itself behind the mountain. 
#101758
A
started; had already hidden
B
had started ;had already hidden
C
had started; was hiding
D
was starting; hid