year after year , tigers are becoming fewer and fewer .
#96118
A
Having been killed
B
Killing
C
Killed
D
Having killed
推荐题目
__________ his project, the boy had to stay up late.
#92155
A
Not finishing
B
Not finished
C
Having not finished
D
Not having finished
Beibei, ________ back to the Song Dynasty, was once again made top in a list of “the cleanest districts (区域) of Chongqing” recently.
#97270
A
dated
B
dates
C
dating
D
had dated
_______ in a top-level university abroad is what many students wish for.
#90371
A
Educated
B
Being educated
C
To educate
D
Educating
_____ sweet and good, the birthday cake was soon eaten up by those children.
#93206
A
To taste
B
Tasting
C
Tasted
D
Having tasted