题目内容
【题目】I am ________ a letter ________ my aunt.
A.writing; at
B.write; to
C.writing; to
【答案】C
【解析】句意：我正在......信.....我的姑姑。写信给某人write a letter to sb，本句是现在进行时，构成be+doing，write-writing,故选C.
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【题目】I am ________ a letter ________ my aunt.
A.writing; at
B.write; to
C.writing; to
【答案】C
【解析】句意：我正在......信.....我的姑姑。写信给某人write a letter to sb，本句是现在进行时，构成be+doing，write-writing,故选C.
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