----- Do you know when Tonny came back last night? ----- Yes. It was not yet nine o’clock _____ he came back home.
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A
before
B
when
C
that
D
until
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We must stop pollution _____ longer. 
#94786
A
living
B
from living
C
to live
D
live
Tom pretended ______ it;but in fact,he knew it very well.
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A
not to listen to
B
not to hear about
C
not to have heard about
D
not to be listening to
____ it is to play football on such a cool afternoon.
#93284
A
What a fun
B
How a fun
C
What fun
D
How fun