Question

【题目】phone on my is sister the (.)

Answer 1

【答案】My sister is on the phone.
【解析】be on the phone打电话， my我的， sister姐姐。根据所给单词及标点符号判断，该句子是肯定句。句意是：我姐姐在打电话。所以答案是My sister is on the phone.