What shall we use for power when we ____
题型:选择题
问题:
What shall we use for power when we _____ all the oil in the world? [ ]
A. run out
B. run out of
C. run after
D. run with
What shall we use for power when we _____ all the oil in the world? [ ]
A. run out
B. run out of
C. run after
D. run with