_____ deep down in the earth, the dead forests rotted away and became coal.
#97260
A
Buried  
B
Burying 
C
To bury  
D
Being buried
推荐题目
       many failures, I have the courage to meet all challenges.
#96363
A
Having experienced
B
To experience
C
Experienced
D
Experience
_____ the child to bed, she began to correct the pupil’s exercise.
#95261
A
Sending
B
Being sent
C
Sent
D
Having sent
 The glass of water is too hot. I prefer some cold _____ water. 
#98249
A
to boil
B
having boiled
C
boiled
D
boiling
-What made you so delighted at Christmas? -__________.
#95298
A
I received many more presents than others
B
Because my parents promised me a new car
C
My uncle’s coming back from abroad
D
As there was an unusual celebration