I. Use the correct form and tense of the verb in brackets 1. People in Hoi An try (preserve) ____________ the traditions of festivals. 2. Saint Giong (commemorate) ____________ in this festival. 3. I (look) ____________ forward to the trip now; therefore, I can’t focus on anything. 4. They (celebrate) ____________ the National Dav for hundreds of years. 5. If the Khmer (not float) ____________ lanterns, they may not have good luck. II. Fill in each blank with one appropriate preposition 1. While ____________ Venice, we sailed____________ the canals and took in the sights. 2. Our teacher wrote some sentences ___________ the board and asked us to take them __________. 3. The string snapped and the balloon floated ____________ the air. 4. Continue walking ____________ that direction. You will reach the beach ____________ no time. 5. The shortest way to the swimming pool is to cut____________ these blocks of flats. Làm hộ em với ạ, nếu được mong mn giải thích ngữ pháp dùng trong câu 1 cách ngắn gọn ạ Em cám ơn ạ, sẽ vote cẩn thận ạ~ Chúc mn học tốt!