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

Minh was excited. "I love ! We can make a small wind turbine," he whispered to Linh.

It was , and the bell for English class rang at 7:30 AM . Minh was sitting next to Linh. Their teacher, Ms. Hoa, had a big smile.

"Look!" said Linh. "The wheels are than yesterday."

Linh wasn't sure. "I prefer . But okay, let's try!"