Question

She was very       us for informing her of her son’s safe return.

A．grateful to	B．grateful for
C．grateful	D．grateful with

Answer 1

A

解析试题分析：句意为：她非常感激我们向她提供她儿子平安归来的信息。be grateful to sb for sth是固定短语，表示“因某事而感激某人”。故选A。
考点：考查固定短语。