It is nice. Never before___________ such a special drink! —- I am glad you like it.

We are so glad to see that Shanghai is developing _______ these years than ever before.

In the past, the workers were made __________ 12 hours a day.

Being not far ________ the sea, London is famous________ its fog.

It is dangerous ____ you ______ a close look at the tiger in the zoo.