What shall we use for power when all the oil in the world has        ?
#105323
A
given out
B
put out
C
held up
D
used up
推荐题目
New medicines and instruments ______ every day to extend life.
#105334
A
develop
B
are being developed
C
are developing
D
have developed
let’s go out now. It _____ any more. 
#105337
A
didn’t rain
B
doesn’t rain
C
won’t rain
D
isn’t raining
How happy we are! The holiday we have been looking forward ________at last.
#105324
A
to has come
B
to have come
C
to having come
D
has come