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

答案都是c.
第一题应该是过去进行,第二题考察动词辨析