Làm hộ vs ạ nhớ giải thích giúp e ạ I. Choose the best answer: 1. The company’s accountant booked ……………… tickets for all employees on their trip to Australia. A. pile up B. package tourC. round trip 2. He is one of the most ………………… tour guides that I’ve ever met. A. stimulating B. seaside resort C. varied 3. The pilot alerts the passengers to fasten their belt because he will be forced to have an immediate ………………… in a few minutes. A. adventure B. touchdown C. journey 4. You can see a lot of beautiful ………………… in Son Doong Cave in Vietnam. A. stalagmite B. round trip C. stimulating 5. ………………… is a road accident involving several vehicles crashing into each other. A. Pile-up B. Mix-up C. Touchdown 6. To travel to Ha Long Bay in peak season, you should book a hotel room ………………… online. 7. Jane and her friends are going to Quang Binh to ………………… the Son Doong cave next week. A. confusion B. magnificent C. explore D.in advance