Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.
#80316
A
since
B
before
C
after
D
when
Can you imagine what a girl will look like___________ she comes across a rat in her room?
#80318
A
now that
B
though
C
in case
D
if
--Shall Mary come and play computer games?--No,__________ she has finished her homework.
#80320
A
when
B
if
C
unless
D
once
__________ you understand the rule, you will have no further difficulty.
#80323
A
While
B
Once
C
Though
D
Unless
___________ you've got a chance, you might as well make full use of it.
#80325
A
Now that
B
After
C
Although
D
As soon as
A man does not know the difficulty of anything_________ he does it personally.
#80329
A
although
B
if
C
because
D
unless
I coutdn't have got to the meeting on time____________ an earlier train.
#80331
A
if I had not caught
B
unless I had caugh
C
if ! did not catch
D
unless I caugh
________ is quite natural,a beginner can't read the books written in English very quickly.
#80332
A
Which
B
As
C
What
D
It
I do every single bit of housework ___ my husband Bob just does the dishes now and then.
#80335
A
since
B
while
C
when
D
as
Was it in Athens ___ the old Olympics was born ___ the Olympics of 2004 was held?
#80337
A
where; that
B
where; where
C
that; where
D
which; where
He failed in the exam, and I wonder ___ he studied hard in the school.
#80339
A
when
B
that
C
if
D
where
----______my mailing address is different from my living address? ----Then you must write both in the form.
#80341
A
When if
B
What if
C
Even if
D
As if
_____we are closely united, we can surely overcome these difficulties.
#80342
A
As long as
B
As far as
C
If only
D
As good as
This is a book, which I dare say, is unequaled ______translation practice is concerned.
#80344
A
as much as
B
as well as
C
as far as
D
as long as
As the saying goes, practice makes perfect, ______is only by using English as often as possible can you learn English well.
#80346
A
which
B
as
C
that
D
this
----To build a factory is beneficial to the locals, but on the other hand, it will be not environmentally friendly. ---- That’s_____ environmental protection organizations disagree.
#80348
A
what
B
where
C
how
D
which
---Bear in mind that you won't be able to cancel the contract ____you've signed. --- I _____.
#80350
A
unless; do
B
since; will
C
once; will
D
after; have
Remember that you won't be able to cancel the contract ____you've signed.
#80351
A
before
B
until
C
once
D
though