The road is covered with snow. I can’t understand ______ they insist on going by motorbike.
#79246
A
why
B
whether
C
when
D
how
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--- Could you tell me______ in Yangzhou? --- Of course. I think it’s in Dongguan Street.
#37941
A
where can we have something good to eat
B
where we can have something good to eat
C
when will the Food Festival be held
D
when the Food Festival will be held
--Can you tell me____________?---- You can take No.16 bus.
#38024
A
how can we get to the Olympic Park
B
how we can get to the Olympic Park
C
how did we get to the Olympic Park
D
how we got to the Olympic Park
Do you know the man _______? 
#37129
A
whom I spoke
B
to who spoke
C
I spoke to
D
that I spoke