Question

【题目】—Is your brother studying in the USA?

—Yes.And I'm writing ________ him now.

A. for B. on C. to D. at

Answer 1

【答案】C

【解析】句意：---你弟弟在美国学习吗？----是的。我现在正在给他写信。短语write to sb.：给某人写信；结合句意和语境可知选C。