百度作业网he ----the ladder while ----on the tree.
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he ----the ladder while ----on the tree.
a,fell down from;reaching for the apple
b.fell down; he reached for the apple
c.fell off; he reached for the apple
d.fell off; reaching the apple
正确答案是C但我认识应该是A,while 后面不应该跟现在进行时吗？而且主句和从句主语一致，从句可以省略主语 +be.
a,fell down from;reaching for the apple
b.fell down; he reached for the apple
c.fell off; he reached for the apple
d.fell off; reaching the apple
正确答案是C但我认识应该是A,while 后面不应该跟现在进行时吗？而且主句和从句主语一致，从句可以省略主语 +be.
d.
fall off...从...摔下
while连接动名词或者正在进行的动作
reach for 是伸手拿某物
这里表达的他正好够到某物,reach sth
fall off...从...摔下
while连接动名词或者正在进行的动作
reach for 是伸手拿某物
这里表达的他正好够到某物,reach sth
he ----the ladder while ----on the tree.
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