why didn＇t you answer my phone call?well,i must＿＿＿＿,so i didn＇t hear it．A．have been sleep B．have be sleeping C．have been sleeping2．would you＿＿＿＿my grandparents＇ houes?oh,i＇d love to,but i have to look after my sister at home．A．care to visit B．like xisiting C．fel like to visit
问题描述：
why didn＇t you answer my phone call?well,i must＿＿＿＿,
so i didn＇t hear it．
A．have been sleep B．have be sleeping C．have been sleeping
2．would you＿＿＿＿my grandparents＇ houes?
oh,i＇d love to,but i have to look after my sister at home．
A．care to visit B．like xisiting C．fel like to visit
答
答案都是c.
第一题应该是过去进行,第二题考察动词辨析