A huge amount of oil was on the road, the effects of     are not clear.
#68568
A
it
B
that
C
which
D
whom
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If it ______ tomorrow, I’ll go hiking with my friends.
#41199
A
won’t rain
B
will rain
C
doesn’t rain
D
rains
Do you happen to know ________? 
#69838
A
whereisheraddress
B
inwhichplaceisheraddress
C
whatheraddressis
D
theplaceheraddressis