Thebackgardenofourhousecontainsalawn，（）verypleasanttositoninsummer.
A、whichisA
「句意」 我家的后花园有一片草坪，夏天坐在上面会令你心旷神怡。
「难点」 which 引出非限制性定语从句，在句中作主语，且和sit on 构成宾关系。类似的句子有：This room is comfortable to live in 这句中 live in 和 this room 构成动宾关系。
I don’t like _____ bills but when I do get them I like _____ them promptly.
It’s high time we _____ cutting down the rainforests.
YouthatlettertoJames.However，yodidn't（）.
The Clarks haven’t decided yet which hotel _____.
_____, he would not have recovered so quickly.
