an amount of something, often expressed as a number out of 100

In Russia the _____ of the school year is about thirty-six weeks. How long is it in your country?

You'll have to ____ all your exams if you want to get into university.

Do we have to ______ all those irregular verbs for the test?

to tell someone that you are sorry

In Northern Ireland , all children must start school at the ____ of four. In Poland, they don't have to start until they're six. When did you first go to school?

how large or small something or someone is

She won't ____ the exam because she's the best in the class.

to learn something so that you will remember it exactly

the amount of time something lasts

to become aware of or understand a situation

I'm going to _____ hard for the Physics test tomorrow.

to show that something is very important or worth giving attention to