He cheered up at once when I agreed to help him.
当我同意帮助他时，他马上高兴起来。
He cheered up at once when I promised to help him.
当我答应帮他忙时，他立刻高兴起来。
He cheered up at once when I promised to help him with his lessons.
当我答应帮他做功课时，他立刻高兴起来了。
He cheered up later in the meal, when it came to gooseberry crumble.
后来晚餐上了一道醋栗碎，Freddie叔叔心情又好了起来。
He cheered up later in the meal, when it came to gooseberry crumble.
后来晚餐上了一道醋栗碎，Freddie叔叔心情又好了起来。
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