There is a new problem involved in the popularity of private cars _______ road conditions need _______.
#73027
A
that; to be improved
B
which; to be improved
C
where; improving
D
when; improving
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He’s got himself into a dangerous situation ____ he is likely to lose control over the plane.
#68400
A
where
B
which
C
while
D
why
It’s not necessary to explain the truth _____ there is spring wind, there is green grass．
#68461
A
which wherever
B
that which
C
which when
D
that wherever
The reason _____ the president of Czech is widely discussed recently is _______ he was seen “to steal” a pen at a press conference in Chile.
#69094
A
why, because
B
that, that
C
why, that
D
why, why