The back garden of our house contains a lawn ，（） very pleasant to sit on in summer.
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siton构成宾关系。类似的句子有：Thisroomiscomfortabletolivein这句中livein和thisroom构成动宾关系。
Under this（）pressure some of the rocks even became liquid.
Breadandbutter（）likedbyWesterners.
Theeldestchildisthoroughly（）becausetheyalwaysgivehimwhateverhewant.
He was lured into a crime he would not ____________have committed.
Nancy was surprised that they have（），They seemed to be a happy couple.
