23.Tom had a bad cold..3.There he pointed to _____ looked like a stone and said that’s ______ you had to carry home.A.that,that B.what,what C.which,what D.as,whichplease explain
问题描述：
23.Tom had a bad cold..
3.There he pointed to _____ looked like a stone and said that’s ______ you had to carry home.
A.that,that B.what,what C.which,what D.as,which
please explain
答
b
因为两个都缺宾语.what做宾语.