. It is uncertain __ side effect the medicine will bring about, although about two thousand patients have taken it.
#34730
A
that
B
what
C
how
D
whether
推荐题目
From time to time a crocodile has snatched someone _______ he or she is even aware that the crocodile is there.
#33837
A
when
B
until
C
since
D
before
Students are required to go out in couples, especially in the evenings, with friends ______ they get into trouble．
#32395
A
even if
B
if only
C
in case
D
when
_________along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.
#30784
A
Driving
B
When I was driving
C
I was driving
D
Having driven
One’s life has value _____ one brings value to the life of others.
#30900
A
so that
B
no matter how
C
as long as
D
except that