Rare species in the world, ______ by hundreds every year, must be jointly preserved by all countries, or humans will encounter ecological disaster in the near future.
#94233
A
disappeared
B
disappearing
C
disappear
D
having disappeared
推荐题目
When ______ to recite the text, he still kept _______.
#91559
A
asked; silent
B
asking; still
C
being asked; quiet
D
asked; calm
We have made up our minds to __________ teaching after we graduate from college.
#96976
A
take in
B
set in
C
set up
D
take up
________ the same mistake again made his parents very angry.
#95290
A
His being made
B
He had made
C
He had making
D
His making
_____, the boy couldn't enter his house.
#98293
A
Since the key had lost
B
The key being lost
C
Lost the key
D
Having lost the key
The new schoolbags and books _____by some warmhearted people arrived at the village school the day before yesterday.
#90762
A
to be donated
B
donating
C
being donated
D
donated