Bai Tap Bo Tro Tieng Anh 6 I-learn Smart World Apr 2026

, the three friends met at the park near Linh's house to test their small solar panel. The sun was shining brightly.

The judges smiled. "Very creative! You understand very well." bai tap bo tro tieng anh 6 i-learn smart world

When it was their turn, Minh placed the solar car under a bright lamp. The car zoomed across the table. , the three friends met at the park