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
推荐题目
I don’t understand how he can say that everything is fine ________ it’s so obvious that it’s not.
#31223
A
unless
B
when
C
so that
D
in case
—My teacher punished me this morning.—Why? You’ve done nothing wrong, ______ I can see.
#31340
A
as long as
B
as soon as
C
as well as
D
as far as
---We’ve seen many more days of blue skies recently. ---True. But back in 1998, ________ Beijing started its “Defending the Blue Sky” program, the city only ________ about 100 days a year.
#34101
A
which, sees
B
that, saw
C
when, saw
D
and, seeing
The survey shows that ______ we are enjoying less and less good sleep, rates of heart diseases have risen rapidly．
#30126
A
while
B
although
C
if only
D
as though