The rise of oil prices made scientists search for new energy resources ______ oil．
#97714
A
replace
B
replacing
C
to replace
D
replaced
推荐题目
necessary experience for my future career, I take an active part in social activities in college.
#89258
A
To gain
B
Gain
C
Gaining
D
Having gained
The teacher spoke loudly in class so as to make herself ______clearly.
#96956
A
hear
B
to be heard
C
heard
D
, to hear
______ in Shanghai for more than ten years, he know the city very well.
#95748
A
Living
B
Having lived
C
Lived
D
Having been lived
The bridge is so important to the people here that once ________ it must be carried out without delay.
#97922
A
designs
B
having designed
C
designing
D
designed
I like getting up very early in summer. The morning air is so good ___.
#89268
A
to be breathed
B
to breathe
C
breathing
D
being breathed