Ataskofthepostofficestaffisto_(class)mailaccordingtotheplacesitistogo
Hetookhisumbrellawithhimlestit____(rain).
我国必须在社会主义条件下经历一个相当长的初级阶段，以便实现（）
Expertshavefoundthatnormalsleepcanbedividedintofive______stages
We______togotothesupermarketbecausewehadplentyoffood.
