Unlike the fossil fuels of today, biofuels are renewable sources, which mean that they will not ____ easily.
#66659
A
come out
B
break out
C
turn out
D
run out
推荐题目
This picture was taken a long time ago. I wonder if you can ________ my father.
#68435
A
find out
B
look out
C
speak out
D
pick out
Without my glasses, I couldn’t _____ whether that figure on the blackboard was a three or an eight.
#67212
A
make out
B
make up
C
make for
D
make off
Although the situation was tough during the economic crisis now things are beginning to ________.
#72789
A
look up
B
keep up
C
set up
D
build up
It takes _______ money to help those in need; it also takes love.
#67075
A
less than
B
other than
C
rather than
D
more than
They are broadening the bridge to ________ the flow of traffic.(2011·山东)
#63919
A
put off
B
speed up
C
turn on
D
work out