题目
__was a lovely spring day and the rose vine on the trellis was turning greenA. thatB. thisC. soD. it
__was a lovely spring day and the rose vine on the trellis was turning green
A. that
B. this
C. so
D. it
题目解答
答案
D. it
解析
步骤 1：分析句子结构
句子的主干是 "the rose vine on the trellis was turning green"，而 "was a lovely spring day" 是插入语，用来描述时间或背景。插入语通常由逗号隔开，且需要一个代词来指代 "day"。
步骤 2：选择合适的代词
选项 A "that" 通常用于指代特定的事物，而 "this" 和 "so" 通常用于指代近处或当前的事物。选项 D "it" 可以用来指代时间或天气，符合此处的语境。
步骤 3：验证答案
将 "it" 代入句子，"It was a lovely spring day and the rose vine on the trellis was turning green"，句子通顺，符合语法规则。
句子的主干是 "the rose vine on the trellis was turning green"，而 "was a lovely spring day" 是插入语，用来描述时间或背景。插入语通常由逗号隔开，且需要一个代词来指代 "day"。
步骤 2：选择合适的代词
选项 A "that" 通常用于指代特定的事物，而 "this" 和 "so" 通常用于指代近处或当前的事物。选项 D "it" 可以用来指代时间或天气，符合此处的语境。
步骤 3：验证答案
将 "it" 代入句子，"It was a lovely spring day and the rose vine on the trellis was turning green"，句子通顺，符合语法规则。