简体中文

Our planet

The use of past simple and past continuous to talk about actions that interrupted an action in progress in the past and used to to decribe past habits.

B1 (中级)
R
Ryanj
( 4.0 )

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Our planet

The use of past simple and past continuous to talk about actions that interrupted an action in progress in the past and used to to decribe past habits.

语言学习

英语

少儿英语

语法

过去进行时



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