The main cause of HIV / AIDS infection in China is drug abuse, ______ is very serious in Yunnan.
#4983
A
what
B
who
C
that
D
which
推荐题目
——Hi, Steve, you look tired.——I am tired. I ______ the living room all the afternoon.
#4727
A
painted
B
had painted
C
have been painting
D
have painted
The English play __________ my students acted at the New Year’s party was a great success.
#4965
A
for which
B
at which
C
in which
D
on which
There are altogether eleven books on the shelf, ______five are mine.
#4901
A
on which
B
in which
C
of which
D
from which
Don’t leave matches or cigarettes on the table within ______of little children.
#4827
A
hand
B
reach
C
space
D
distance
— Did you know any Chinese, Joyce, before you arrived in Beijing? — In fact, never _______ it.
#5016
A
have I learned
B
I have learned
C
had I learned
D
I had learned