" It was nice of you to give me the present. Thank you" Tom said to Mary. Tom thanked Mary ________ the present.Đoạn văn8/30" It was nice of you to give me the present. Thank you" Tom said to Mary. Tom thanked Mary ________ the present.of giving himit had been nice of her to give himfor giving himthat she had been nice to give himGiải thíchChọn đáp án C