——Did you know any French before you arrived in Washington? ——Never ____ it, actually.
At horse races, everyone has already studied the form (类型) of the horse______.
------ What did he want to know, Jim? -------_________ I could finish writing the report.
A huge fire ______ last night and many houses were burnt down.
Mike’s never willing to change any of his opinions. It’s no use ______ with him.
The organization was founded (建立) for the ________ of poor children .