英语高手进啊345We were having a test in our classroom this time ye

英语高手进啊345
We were having a test in our classroom this time yesterday______a bird flew in through the open window
A.when B.while
我觉得两个都可以么.
miner110 1年前 已收到3个回答 举报

火箭狗 幼苗

共回答了15个问题采纳率:100% 举报

A.
when这里是“突然这时”的意思.
如果用while,那这句就应该这样写We were having a test in our classroom this time yesterday while a bird was flying in through the open window .因为while连接的是两个同时发生的事.

1年前

3

miaojicong1982 幼苗

共回答了564个问题 举报

A
when后面跟短暂性动词,while后跟持续性动作
而一只鸟飞进开着的窗,是短时间的动作

1年前

1

skyff7 幼苗

共回答了48个问题 举报

b

1年前

0
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