- English as a Second Language (ESL)
- Grammar
- Age 9+
-
level: pre-intermediate
- English
คำแนะนำของผู้เขียน
3 exercises , affirmative and negative forms of the Present Perfect
Reading activity
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คำแนะนำของผู้เขียน
3 exercises , affirmative and negative forms of the Present Perfect
Reading activity