2. She will build sandcastles on the beach next summer holiday. → What will she de next summer holiday... 3. Tony and Phong will be in the countryside tomorrow. 4. They will buy some new clothes when they visit Ho Chi Minh city next week 5. Mai will go to Da Nang city with her sister next holiday. Iv Find and correct the mistakes (Tìm và sửa lại lỗi sai)