It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
#30966
A
that
B
whether
C
what
D
how
推荐题目
Feathers fall to the ground slowly,________ stones fall much faster.
#80177
A
but
B
however
C
while
D
yet
________ you’ve tried yourself, you’ll never know what an exciting game bungee jumping is.
#31090
A
Though
B
Because
C
Unless
D
If
---Will you go to the meeting for their discussion?---No, ______ invited. I don’t feel like getting involved with their business.
#31658
A
unless
B
until
C
even if
D
otherwise