23. Tom had to be told two or three times ________ he could remember what the teacher said.
#79646
A
before
B
when
C
until
D
As
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The medicine works more effectively _______ you drink some hot water after taking it.
#31652
A
as
B
until
C
although
D
if
—The product carries one year’s guarantee. ________ I am covered if it doesn’t work?—That’s right, _______ it’s damaged.
#32655
A
And; if
B
So; unless
C
But; before
D
For; when
Although the old man is in his sixties, ___ he walks fairly fast.
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A
but
B
yet
C
therefore
D
however
Just a few minutes every day, _______ you could have shining floors and furniture with this new cleaner.
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A
but
B
and
C
or
D
so
The companies are working together to create ______ they hope will be the best means of transport in the 21st century.
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A
which
B
that
C
what
D
who