AIDS is said _______ the biggest health challenge to both men and women in that area over the past few years.
#90891
A
that it is
B
to be
C
that it has been
D
to have been
推荐题目
It’s dangerous to get close to the building                        now . 
#94119
A
being constructed
B
constructed
C
been constructed
D
to be constructed
We forbid _____________here. Who permits you_____________?
#96341
A
smoking; smoking
B
smoking; to smoke
C
to smoke; to smoke
D
to smoke; smoking
The teaching building         in the big earthquake was our chemistry lab.
#96255
A
being destroyed
B
destroying
C
to be destroyed
D
destroyed
The young lady prefers dressing up for a party to        by others.
#94788
A
be noticed
B
noticing
C
having been noticed
D
have been noticed