(2013·安徽师大附中高三七模)Don't use water to put
题型:选择题
问题:
(2013·安徽师大附中高三七模)Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.
A.shall
B.must
C.may
D.will
(2013·安徽师大附中高三七模)Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.
A.shall
B.must
C.may
D.will