In time of serious accidents, ________ we know some basic things about first aid, we can save lives.
#30162
A
whether
B
until
C
if
D
unless
推荐题目
--I'm going to the post office.--_______you're there, can you get me some postcards?
#79923
A
As
B
While
C
Because
D
If
She was such a proud person that she would die ____ she would admit she was wrong.
#80005
A
rather than
B
until
C
after
D
before
-------Can you believe I had to pay 30 dollars for a haircut?------You should try the barber’s _______I go. It’s only 15.
#34737
A
as
B
which
C
where
D
that
The one million people of the city,________ thought little of these events , _______to bed as usual that night .
#33664
A
which…going
B
where…went
C
who…went
D
who… going