－Isthat a ruler－No,______________.

They are quiet,aren’t they?— Yes. They are ________ to not talking at meals?[ ]

____ we admit that there are still someproblems about the system of modern education, we don’t mean that it is of nouse.

The window was broken. Try to ________ whohas broken it.

The company lost $7 million this quarter ________ a profit of $6.2 million a year earlier.