A、我们应爱惜使用任何物料，并用完后归还
B、我们必须小心使用任何一件东西
C、爱惜公物，人人有责
D、我们应爱惜使用所有物品，用完后并归还
更多“We must use any stores carefully and return them after using.（）”相关的问题
A、We must use all kinds of tools carefully and return it after using. B、We must use every tool carefully and return it after using. C、A+B D、We must use everything carefully and keep it after using.
A、haven’t any black paint B、have some black paint C、have some white paint D、hasn’t any black paint
A、Any one component can be eliminated to extinguish a fire B、Any two components must be eliminated to properly extinguish a fire C、Any three components must be eliminated to properly extinguish a fire D、Ali four components must be eliminated to extinguish any fire
A、pump must always be primed B、volute must impart a radial and rotary motion of the water suction side C、connection must guide the liquid to the lantern rings D、stuffing box should not be allowed any water leakage
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