They will stay there before they find the solution to the problem.（改为同意句）They ( )( ）（ ）they ( )the problem.
问题描述：
They will stay there before they find the solution to the problem.（改为同意句）
They ( )( ）（ ）they ( )the problem.
答
They won't leave until they solve the problem.
楼下不要跟我一样哦。
答
won't leave until solve