PresentSimple or Present Continuous
分类: 其他
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I am reading.
I like reading.
The book is interesting.
I am singing.
I am a singer.
It is raining.
It is sunny.
She is smiling.
She keeps smiling.
I am considering studying.
They are ducklings.
I am trying to open the box.
The wind is blowing.
I sing.
