Tom was about to close the window__________his attention was eaught by a bird.
#34748
A
when
B
if
C
and
D
till
推荐题目
—— The experiment is of particular importance.—— I see. We won’t carry on with it _______ we can get the good equipment.
#33750
A
until
B
unless
C
whether
D
after
You will never gain success________ you are fully devoted to your work.
#30008
A
when
B
because
C
after
D
unless
—Some Chinese students find it hard to get used to the life in London. —Exactly, ______ they’ve learnt a lot about the city before.
#32267
A
if
B
now that
C
as though
D
even though
Bicycling is good exercise; _______, it does not pollute the air.
#32232
A
nevertheless
B
besides
C
otherwise
D
therefore
We were going out for a Christmas meal together ______ the accident happened.
#34000
A
unless
B
until
C
while
D
when