________volcanoes now for many years, I am still as enthusiastic about my job as the first day I first______.
#92841
A
Studied, started
B
Have studied, started
C
Having studied, started
D
Having studied, starting
推荐题目
(2013·陕西，14)The witnesses ________ by the police just now gave very different descriptions of the fight.
#89225
A
questioned
B
being questioned
C
to be questioned
D
having questioned
______ by a snake, she was frightened of it.
#91680
A
Being bitten
B
To bite
C
Having been bitten
D
Biting
Seeing the sun _____ above the surface of the sea we burst out a shout of joy.
#97997
A
to rise
B
to raise
C
rising
D
raising
Private cars are required to take turns off roads one out of five weekdays ___the traffic pressure.
#93274
A
relieve
B
relieving
C
torelieve
D
relieve