It is uncertain ________ side effect the medicine will bring about, although about two thousand patients have taken it.(2010·浙江)
#29978
A
that
B
what
C
how
D
whether
推荐题目
________ I heard the song by Taylor Swift, I was kept in its power.
#31521
A
First time
B
For the first time
C
The first time
D
At the first time
________ the tower building,where you can see the whole city
#31201
A
Standing on the top of
B
If you climb to
C
When you reach the top of
D
Get to the top of