This approach, ______ more expensive than the basic one, provides us with considerably more usage flexibility.
#31500
A
as
B
since
C
while
D
if
Mrs Green was so pleased ____ her daughter won the first place in the singing competition．
#31502
A
as
B
that
C
when
D
if
--- I think George doesn't really care for TV plays． --- Right, ____ he still watches the program．
#31503
A
and
B
so
C
but
D
for
_____ he thought he was helping us with the work, he was actually in the way．
#31504
A
Since
B
When
C
Because
D
If
—My son is addicted to drugs. He isn’t hopeless, is he?—Yes, _____ he mends his ways and starts all over.
#31505
A
if
B
when
C
even if
D
unless
Please remind me to watch the TV program Growing tomorrow I forget．
#31506
A
so that
B
though
C
in case
D
until
—I’m going to the post office.— you’re there, can you buy me some stamps?
#31507
A
Because
B
While
C
As
D
If
I’d love to stay in the community I grew up, but ambition can drive me to the city to be “ the big companies are”.
#31508
A
that; where
B
where; that
C
in which; which
D
where; where
Telephone users sometimes complain about unreliable service and they consider unfair charges.
#31509
A
which
B
that
C
what
D
how
Air pollution is getting more and more serious, so we must take action it is too late.
#31510
A
before
B
after
C
until
D
when
David worked hard at his lessons ____ he gained high grades in the exams.
#31511
A
so that
B
in order to
C
though
D
because
This study shows that ______language may differ，the order in which young kids learn the parts of speech appears to be the same across different languages.
#31512
A
since
B
so
C
while
D
but
Steps must be taken _____ this kind of disaster will never happen again.
#31513
A
because
B
even if
C
so that
D
as
I set up e-mail addresses for my mum and dad ________ I could e-mail them regularly.
#31514
A
now that
B
even if
C
so that
D
As though
—Are you ready for Spain?—Yes, I want the girls to experience that they’re young.
#31515
A
before
B
until
C
while
D
since
John thinks it won’t be long _________ he finishes the tough work.
#31516
A
when
B
after
C
since
D
before
I don’t think Susan will be sad but I’ll go and comfort her ______ she is.
#31517
A
in case
B
even though
C
as if
D
unless
Mrs Chen is very strict — we don’t dare to say a word _____ she asks us to.
#31518
A
until
B
before
C
when
D
unless
She had to drop out of school _____ her family couldn’t afford the cost of her education.
#31519
A
although
B
unless
C
because
D
so