–Why didn’t you _____ the guests some tea at first?-- But they said they didn’t like it.

应该选 C
serve sb sth 用某物招待某人
另外三个选项都必须和介词连用:
provide sb with sth
share sth with sb
take sth to sb
take sth to sb什么意思?take sth to sb把某物带给某人

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