Schools in the cities are well equipped those in the countryside are poor．
#30153
A
if
B
while
C
so
D
as
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A
since
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if
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as
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—How long will it be ________ the 30th Olympic Games is held in London? —It won’t be two years, I think.
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when
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that
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The pretty girl is always busy helping her mother with the housework _________ I go to visit her family.
#32122
A
every time
B
every time when
C
at every time
D
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The hungry man eats his food _______he hadn ' t eaten for a week.
#32409
A
as if
B
even though
C
such as
D
like as