I have ____ working. I ____ been sleeping. He ____ been thinking about the problem. You have ____ studying all day. We ____ been considering the problem. They ____ been exercising often. She ____ been cooking all week. It ____ been happening all day. I ____ been travelling for weeks. You have ____ helping since last year.

Present Perfect Continuous Practice

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ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

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