2.Listen to the dialogue and tick the correct answers.
A: It’s a cool day, Li Ming. Let’s play soccer in the schoolyard.
B: But look at all of this garbage! We should pick up the garbage first.
A: That’s too much work! Let’s find others to help us.
B: Our classmates can help us. We can make it a class project about pollution this week.
A: Good idea! We would finish cleaning in an hour!