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
(2010·福建高考)In April, thousands of holidaymakers remained ________ abroad due to the volcanic ash cloud.
#88995
A
sticking
B
stuck
C
to be stuck
D
to have stuck
She was the only one __________ the wreck.
#88269
A
surviving
B
having survived
C
to survive
D
survived
He put up a picture of Yao Ming beside the bed to keep himself ________ of his own dreams.
#88637
A
reminded
B
reminding
C
to remind
D
remind
.Professor White has received a letter ___ to give a lecture in Peking University.
#97324
A
to be invited
B
being invited
C
invited
D
inviting him
. _______ the meeting room,he found all the parents already _______ there.
#98463
A
To enter; sitting
B
Stepping into;to seat
C
Entered; seat
D
Entering;seated