1 . 在广州,早茶是人们日常生活中如此不可或缺的一部分,以至于“你喝(早)茶了吗?”已成为当地版本的“早上好。”
In Guangzhou, morning tea is ______ an essential part of the daily routine ______ “Have you had your tea?” has become the local version of “Good morning.”

2 . 她如此担心儿子的安危，以至于整宿没睡着觉。
She was_______ _______ about the safety of her son_______ she couldn’t_______ asleep the whole night.

3 . ________________ (这家以牛排为特色的饭店很受顾客欢迎，feature) that you have to reserve a table at least two weeks ahead. （根据汉语提示完成句子）