患儿男,2岁,肺炎治愈后返家,其母亲认真观察该患儿的精神状态,鼓励其多喝水,协助咳痰,此时母亲的角色是( )。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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