题目

Could you tell me ----------taught yo to paint?I asked him -------he got to know Mr Green.
Do you remember -------- book he was reading at that moment?
Please tell us ------the concert will begin?We don't want to be late
用适当的连词...答得好的立即加20分.....

提问时间：2021-04-15

答案

who（你能告诉我是谁教你画画吗）
if（我问他他是否知道格林先生）
what（你知道那时他看的是什么书吗）
when（请告诉我们音乐会什么时候开始,我们不想迟到）