31. Earth is a rocky planet _______Liquid water,which is necessary for life,can exist,考察关系副词，定语从句。which is necessary for life非限定性定语从句修饰先行词Liquid water，句子主干是Earth is a rocky planet _______Liquid water can exist，那么显然所填的词既要能代替先行词a rocky planet，又要能做后面句子的状语，只能选where。32. I would appreciate_______if you come to my grandma’s birthda...
31. 地球是个岩石组成的星球,在这个星球上存在着生命之源的液态水. 句子的主语是earth; 'which is necessary for life' 用逗号隔开来的,是插入语用来修饰water,与整句话无关,可以直接删掉. 那就是Earth is a rocky planet _______Liquid water can exist. 而 water...
DBBDCBACBD31:Earth is a rocky planet _______Liquid water,which is necessary for life,can existA:as
B:when
C:which
D:where 在这个水球上生存用where作状语,而which引导的非限...
