题目内容:
The back garden of our house contains a lawn, ______ very pleasant to sit on in summer.
Awhich is
Bwhich it is
Cit is
Dwhere it is
答案解析:
The back garden of our house contains a lawn, ______ very pleasant to sit on in summer.
Awhich is
Bwhich it is
Cit is
Dwhere it is