According to the rule,used batteries _______ be dropped in the red bin for harmful wastes.( )
A. |
must |
B. |
need |
C. |
can |
D. |
may |
According to the rule,used batteries _______ be dropped in the red bin for harmful wastes.( )
A. |
must |
B. |
need |
C. |
can |
D. |
may |
试题篮
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