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构成动宾关系。类似的句子有：Thisroomiscomfortabletolivein这句中livein和thisroom构成动宾关系。
She’swornhisdesignson__________occasionsfromredcarpetstomoviepremieres.
_____enough time and money, the researchers would have been able to discover more in this field.
Time_____,thecelebrationwillbeheldasscheduled.
Shewasonceayoungcountrywifewithchickensinthebackyardandaviewof_______mountainsbehindtheappleorchard.
Thebackgardenofourhousecontainsalawn，（）verypleasanttositoninsummer.
