(2013·高考新课标全国卷Ⅰ)There’s no way of knowing why one man makes an important discovery________another man，also intelligent，fails.
#30672
A
since
B
if
C
as
D
while
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The tour was fantastic in general, our car broke down on the way back.
#31804
A
as
B
though
C
whether
D
since
---What did your mother say on the phone just now? --- She asked me _____ I was getting on well with my new classmates.
#33947
A
that
B
if
C
how
D
what
It is in this very village ___________ she will bulid her first school,___________ inspires everyone to help her.
#33897
A
Where;that
B
that;which
C
that;that
D
which;that
The dog may be a good companion for the old. _______, the need to take it for walks may be a disadvantage.
#32208
A
Besides.
B
However
C
Therefore
D
Instead.