1 . 事实上，我们已经习惯了它们的存在，甚至可能把它们视 为理所当然，却没有意识到它们给了我们多少灵感。
In fact, we are   _______ _______ _______ _______ _______   we may even take them for granted without
realising how much inspiration they have given us.

2 . 它的扩张速度如此之快，以至于我们只能想象它将来会构成什么。
It is expanding ________________we can only imagine what it will comprise in the future.

3 . I ________I haven’t had time for social activities.   
我一直忙于学习,以至于没有时间去搞社交活动。

4 . 这个经理那么慷慨，以至于经常奖励一些有新颖想法的人。
The manager is _________________ he often rewards some innovative people.

5 . 杭州是一座令人印象深刻的城市,它经常给游客留下深刻的印象。(such...that...)
Hangzhou is ______it often makes a strong impression on visitors.

6 . They are having _________________before they realize it, it is time to go.
这时光是如此美好，以至于在他们还没有意识到之前，他们就必须离开了。