Unit1 Playing Sports Topic1 I’m going to play basketball.
Unit1 Playing Sports Topic2 I’ll kick you the ball again.
Unit1 Playing Sports Topic3 The school sports meet is coming.
Unit2 Keeping Healthy Topic1 You should brush your teeth twice a day.
Unit2 Keeping Healthy Topic2 I must ask him to give up smoking.
Unit2 Keeping Healthy Topic3 Must we exercise to prevent the flu?
Unit3 Our Hobbies Topic1 What’s your hobby?
Unit3 Our Hobbies Topic2 What sweet music?
Unit3 Our Hobbies Topic3 What were you doing at this time yesterday?
Unit4 Our World Topic1 What’s the strongest animal on the farm?
Unit4 Our World Topic2 How can we protect ourselves from the earthquake?
Unit4 Our World Topic3 The Internet makes the world smaller?