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
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It took Mary quite a long time to ________ a new dress at the store.
#71438
A
pick up
B
pick out
C
work out
D
take up
—Hurry, there is a bus coming.—Why run? There'll be another _______.
#82948
A
one in two or three minutes
B
one after two or three minutes
C
after two or three minutes
D
one for two or three minutes