It is imperative for you to act at once.

It is imperative for you to act at once.

The important thing is to call the police at once.

She came at once.

Global warming is something that happens to all of us, all at once.

Shut it down at once.

Sometimes, it's all at once.

At least once a week.

Please come back at once.

I telephoned her at once.

You'd better leave at once.

I'll be there at once.

Yes, I'll come at once.

The fire was extinguished at once.

Well, at least, we did once.

You had better leave at once.

Send for the doctor at once.

You'll have to start at once.

You had better go at once.

You'd better go home at once.

Send for a doctor at once.

Must I go there at once?

All at once, he spoke out.

Jessie accepted the invitation at once.

I must start working at once.

Now once people start looking at this, they say, ah, this is a laptop project.

He created man from a sperm drop then at once, he is a clear adversary.

He created man from a sperm drop then at once, he is a clear adversary.

It is estimated that, on average, 30 of children in primary education at the EP1 level repeat at least once.

He realized at once what had happened.

The doctor decided to operate at once.

You'd better go to bed at once.

You'd better go to bed at once.

A doctor was sent for at once.

You had better do it at once.

I want you to come at once.

The baby went to sleep at once.

You can't do two things at once.

You can't do two things at once.

All at once, I heard a cry.

All at once they began to laugh.

He put on his hat at once.

I can't do two things at once.

You need not do it at once.

Once it is approved, the Executive Board shall amend appendix B. The Executive Board shall review and amend, as necessary, appendix B at least once a year.