题目

怎样用下两英语句式造句1、lt ls not until……that…… 2、 a number of＋复数名词＋动词复数形式 3、hon

提问时间：2020-08-07

答案

1.It is not until we have lost something that we know how valuable they are.
2.A number of visitors came to our school last Monday.
3.楼主没有把词打全吧?