Tom was about to close the window ______ his attention was caught by a bird.
#31898
A
when
B
if
C
and
D
till
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33. He waited until it was dark ____ nobody could see him clearly.
#79726
A
so that
B
in order to
C
although
D
However
_____ we were worried about was _______ they could manage to control the pollution.
#32352
A
That; how
B
That; whether
C
What; that
D
What; whether
After the wedding ceremony, all the guests attended a reception, _______ lasted through the night.
#32466
A
that
B
when
C
where
D
which
Please keep the windows closed _____________ it rains.
#31827
A
in case of
B
in that case
C
in no case
D
in case
If you keep on ignoring the teacher’s advice, you will probably get into a situation______ you fall behind others in all subjects.
#33267
A
when
B
where
C
which
D
why