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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― Who are you waiting for?    ― _______ the man wounded in the left leg. 
#70363
A
The doctor will operate on
B
The nurse to be looked after
C
The doctor to operate on
D
His brother got
______you have got a chance, you might as well make full use of it.
#68424
A
Now that
B
After
C
Although
D
As soon as