Exercise 2: Give the correct prefix of the words in the following paragraph.

(Tìm tiền tố đúng của các từ trong đoạn văn sau)

Yesterday, my friends and I went for a picnic. I came up with an idea of going somewhere far from the city. Then, we four made up our mind right away. We rented a _________________ (1. VAN) and Jake volunteered to be the driver. We all had an _______________ (2. BEAT) mood for this unexpected trip. Jenny was a careful girl so she had to __________ (3. DATE) the news, the weather and everything she could think of. Our bookworm Lily could dwell on her _______________ (4. ECONOMICS) text book at any time. I was sitting beside Jake, who was in an _______________ (5. SIZE) T-shirt and too concentrated on the road. He was so sweet that an _______________ (6. SPOKEN) girl like me couldn’t say anything bad to him ever. After 15 minutes of driving, we drove _______________ (7. HILL) to a vast area where we can put up our tents. It took US a little time to prepare and started grilling. Jenny was afraid the beef was _______________ (8. COOKED) and raw, but it turned out to be delicious. It would be great if trips like this were one of our _______________ (9. CURRICULAR) activities at school. If that happens, we will ask the principle to let US travel in a _______________ (10. MARINE) !

...-sound is a special sound wave that helps US see the inside of our bodies