—When walk across a road, what should we do?
—You must _____ attention _____ both sides of the road.[ ]
A. pay; to
B. pay; for
C. put; on
D. take; to
答案:A
—When walk across a road, what should we do?
—You must _____ attention _____ both sides of the road.[ ]
A. pay; to
B. pay; for
C. put; on
D. take; to
答案:A