---Did you have a sound sleep last night?
--- Yes, never slept ________.

Sometimes, the entrance tickets are _____ free of charge from the university．

People are advised to be _____ towards the health concerns of their dear ones while burning firecrackers to celebrate the festival, for they contain harmful chemicals．

“Changes should be made in the prison for the conditions there are _____,” said the reporter．

In _____ Chinese culture, marriage decisions were often made by parents for their children.

Mr. Green kept ______ and complete records of all his business expenses.

I am sorry, sir, but that kind of digital camera is no longer _______.

The food she has prepared for the party is not enough, for there are _____people than she expected．

With modern technology, even babies weighing _______one kilogram at birth can survive.

The girl looked at me with a _______expression. Maybe the problem was quite ______.