According to the school rules, if a student _________ happen to damage something by accident,he/she should report it to a teacher or the office immediately.
_______ all the inventions have in common is _____they have succeeded. A. What; what B. That; that C. What; that D That; what
The government has to close those small factories to prevent the water of the river ______.
He wants to see changes in the company and I am sure he will,______.
The traditional view is ____ we sleep because our brain is “programmed” to make us do so.
Then you usually lie there just ______ the ceiling, thinking about everything that could go wrong.