—Mum, can I go to the zoo with Jack this weekend? —When your homework_______, you can. 
#41707
A
is done
B
was handed in
C
will be completed
D
had been finished
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The manager ____ nothing about the matter ____ he read his secretary’s report.
#38680
A
had known, when
B
has known, before
C
will know, after
D
knew, until
He asked if she ________ Jack.
#42197
A
knows
B
knew
C
knowing
D
known