It is nececarry to be prepared for test.Having the answers ready will be of help.having的用法?
问题描述：
It is nececarry to be prepared for test.Having the answers ready will be of help.having的用法?
答
很有必要为测验做好准备.准备好答案会很有帮助.
have...ready 是使什么什么准备充足,是动名词做主语的用法.