____ volcanoes now for many years, I am still amazed at their beauty as well as their potential to cause great damage.
#91442
A
Studied
B
To study
C
Having studied
D
Studying
推荐题目
out after a long walk ,Tom called and said he couldn’t come to the party.
#91574
A
Having worn
B
Being worn
C
To wear
D
Worn
Beautifully ________ in a quiet spot near the river, the hotel attracts a lot of people to stay.
#88626
A
locating
B
lies
C
situated
D
sat
Titannic 3D moved all audience to tears once again, _____our attention to Cameron’s films and the definition of true love.
#90633
A
turned
B
to turn
C
turning
D
being turned
The old man sat in front of the television every evening, happy _____ anything that happened to be on.
#94840
A
to watch
B
watching
C
watched
D
to have watched
Look, what a dirty classroom we have got! It really wants ______.
#93314
A
clean
B
cleaned
C
cleaning
D
to clean