同义句:Jack often worries about his father's health.

问题描述:

同义句:Jack often worries about his father's health.
Jack ____ often ____ about his father's health.

答案:is worried
Jack 【is】often【worried】about his father's health.
杰克经常担心他父亲的健康.
worry about = be worried about
不明白的再问,多谢!