----Must I finish the report tonight? ----It’s not ______. You can do it next week.
The amount of money that he saved reached _________ 30000 dollars.
It is pretty well understood_______controls the flow of carbon dioxide in and out of the atmosphere today.
Mary got into acting purely _____________.
It is no use thinking about your ________ youth.
---Must he come to sign this paper himself? ---Yes.He______ .