按要求改写下列句子.1.I am having some coffee.(改为现在完成时态)

问题描述:

按要求改写下列句子.1.I am having some coffee.(改为现在完成时态)

1.I have had some coffee.
我已经喝了一些咖啡.
倾情奉献,
不懂的话请追问.