อยากได้แบบฝึกหัดฟรีนับพัน (ไม่มีสิ่งรบกวนเลย)?
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English as a Second Language (ESL)
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Grammar
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Age 12+
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level: pre-intermediate
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English
คำแนะนำของผู้เขียน
Add different forms of have to and must. Use contracted negative forms (don't, doesn't, didn't, mustn't) if necessary
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English as a Second Language (ESL)
-
Grammar
-
Age 12+
-
level: pre-intermediate
-
English
คำแนะนำของผู้เขียน
Add different forms of have to and must. Use contracted negative forms (don't, doesn't, didn't, mustn't) if necessary