we go there by train or by ship makes no difference．The time and the fees are the same．
#33137
A
Which
B
How
C
Whether
D
Why
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Tourism, _______ it brings in money to a country, can also result in damage to the World Heritage sites there.
#30698
A
once
B
while
C
if
D
as
Paul was not allowed to work he was fully recovered from the flu.
#30379
A
even if
B
whether
C
because
D
until
______ you call me to say you’re not coming, I’ll keep waiting for you at the theatre.
#31833
A
Unless
B
When
C
If
D
As
It never will rain roses. __________ we want to have more roses. we must plant trees.
#30723
A
When
B
Unless
C
Until
D
While