When it was their turn, Minh placed the solar car under a bright lamp. The car zoomed across the table.
But suddenly, a big cloud covered the sun. The car stopped. bai tap bo tro tieng anh 6 i-learn smart world
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. When it was their turn, Minh placed the