1. on a picnic 

2. reusable - natural.

3. the check-out.

4. a reusable 

5. cycling.

@Kun~

#Xin hay nhất, 5 sao + 1 tim nhá, cảm ơn nhiều :))

a)Read the conversation again and complete the following sentences. Use no more than three words in each blank. (Đọc bài hội thoại lần nữa và hoàn thành những câu sau. Không sử dụng hơn 3 từ trong mỗi chỗ.)

1. Nick is going on a picnic tomorrow.

2. The green shopping bag is reusable. The materials of the bag are natural.

3. People can buy the bag at the check-out.

4. Mi wants to buy a/ a reusable bag for her mum.

5. Nick thinks that Mi's 'green' because she's cycling.