Which action contributes most to reducing carbon footprint? A. Leaving the lights on all day B. Walking or biking instead of driving C. Using plastic bags D. Dumping rubbish into rivers
B
Choose the correct sentence: A. I clean the park before I will go home. B. After he had dinner, he go to sleep. C. We’ll start the meeting as soon as the manager arrives. D. While I was study, my mom came home.
C
Choose the correct sentence: A. The train arrive at 10 p.m. tonight. B. The school opens at 7:30 every morning. C. She goes to market now. D. My father go to work tomorrow.
B