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
I like getting up very early in summer. The morning air is so good ___.
#89268
A
to be breathed
B
to breathe
C
breathing
D
being breathed
_____ that she was going off to sleep, I asked if she’d like that little doll on her bed.
#98739
A
Seeing
B
To see
C
See
D
Seen
The old man ____ down by a truck is being saved now.
#90780
A
knocking
B
to knock
C
knocked
D
being knocked
The company has introduced new technologies from the US, thus _______ its production.
#94870
A
has increased
B
increased
C
increasing
D
being increased
The Diaoyu islands have been part of China's territory since ancient times, ________ as important fishing grounds of Taiwan.
#88770
A
served
B
to serve
C
serving
D
having served