Studying alone, you are free to choose what to learn and when, ____ you don’t need others’ agreement.
Do you know ______ tomorrow?
Mary is being punished by the teacher. That is _______ she broke the school rules.
By improving reading skills, you can read faster and understand more of ______ you read.
----That is ________ you spent your summer holiday, isn’t it?---- That’s right.
Human beings are different from animals _________ they have languages.