Four phrases/ sentences have been removed from the text below. For each queston, mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 13 to 16.

The two most popular types of tours now are packngo and self-guided tours. When you buy a package tour, (13). You will get a notice about the location of your visit, the detailed itinerary, and the cost. They will protect you if something goes wrong during the trip. (14). It offors a convenient option for people who are elderly, who not want to spend much time sourching on their own, or who are not confident about using online apps. One disadvantage of this type is you have to follow a fixed itinerary.

Nowadays, (15) which require them to do everything on their own. They have to look for a destination, work out an itinerary, and estimate the cost. They then hunt for tickets and accommodation, usually homestay. This type of holiday may require more time and effort, but it is cheaper and more flexible than a package holiday. (16). However, to have a smooth trip and avoid trouble, these travelers should be good at using apps.

A. more young people choose self-guided tours

B. a travel agency takes care of almost everything for you

C. This type of holiday saves time and reduces stress for travelers

D. It gives travelers more freedom to decide where to go and how much time and money to spend at a place