题目

1.The scientist wrote down ______ series of things to do with ______ nature ,such as a blue sky.
A.a;\ B.a;the C.\;\ D.\;the
2._______ about my mother's health,I went to my hometown last Sunday.
A.Concerning B.Concernde C.To be concerned D.Being concerned
3.There was a time ______ I lived in a smell village.
A.which B.that C.when D.where

提问时间：2021-04-08

答案

1.A a serious of固定搭配；nature泛指大自然,前面不加冠词.
2.A 主语是“我”主动发出的动作,故用主动语态,排除b和c,d 与句子时态不符.
3.C when做时间状语