_____ basic first-aid techniques will help you respond quickly to emergencies.
#31190
A
Known
B
Having known
C
Knowing
D
Being known
推荐题目
The singing group was so well received that the size of audience, ___ we had expected, was well over one hundred.
#33591
A
whom
B
who
C
as
D
what
_____ private cars bring us convenience, they also cause more traffic accidents and pollution.
#31214
A
While
B
As
C
If
D
Since
My father did buy the CD, ________ he actually doesn’t appreciate the music in it at all.
#30349
A
so
B
because
C
while
D
or