Click ==> Third Conditionals Exercise 1 – 10
Click ==> Third Conditionals Exercise 11 – 20
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Third Conditional Sentences หรือ If clause type 3 (ประโยคเงื่อนไขแบบที่ 3)
Click ==> Third Conditionals Exercise 1 – 10
Click ==> Third Conditionals Exercise 11 – 20
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