_____I was walking to school, I saw a cat climbing a tree.[ ]A. When B. While C. Before D. After-八年级

题目简介

_____I was walking to school, I saw a cat climbing a tree.[ ]A. When B. While C. Before D. After-八年级

题目详情

_____ I was walking to school, I saw a cat climbing a tree.              
[     ]
A. When
B. While
C. Before
D. After
题型:单选题难度:中档来源:同步题

答案

B

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