Pillow.com is an online booking______ for boutique hotels throughout the worlD.
A.agency
B.charity
C.activity
D.practice

A.com
B.
A.agency
B.charity
C.activity

【参考答案】

A
解析：这道题要求选择符合句意的名词。Pillow. com是句子的主语，is是谓语动词，“an online......

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