1 Harry was angry because he had been waiting/ was waiting for more than an hour.
2 I was sleeping/slept when you called; that’s why I sounded funny.
3 We went to the cinema, afterwards/then we had an ice cream.
4 The shopping centre hadn’t been built when/while I lived there.
5 Hundreds of people were moving/moved here in the 19th century.
6 There weren’t any buses in that town since/until two years ago.
7 The plane has landed/was landing when the engine caught fire.
8 Did she use/used to work at the florist’s?
9 I had never been feeling/felt so embarrassed in my life!
10 They were/were being very angry about the plans to build another car park.

It is necessary to conduct research and analysis of the tourism industry in order to better manage its development.
Removal of restrictions on entry into the country contributes to the development of tourism.
The state policy in the field of tourism plays a significant role in the development of the necessary infrastructure.
Government engaged at various levels of daily regulation of the tourism industry.
Licensing is an integral part of such regulation.
The activities of all companies and businesses operating in the field of tourism should be controlled by the state.
Direct and indirect investments in the development of tourism should be shared so that the economic benefits are distributed evenly across all regions.
Tourism must be environmentally sound, its impact on the environment have to be taken into account in the preparation of long-term plans.

1) balls c)to play football  f) to play rounders  g) to throw a ball
2) sacks - k) to run a sack race
3) rockets - e) to play badminton
4) a kite  - h)to fly kites
5) sudoku puzzles -l) to do puzzles
6) a newspaper or a magazine - i) to read
7) a camera - j) to take pictures
8) a picnic - a) to have a picnic lunch
9) a cool box - m) to keep the food fresh
10) a blanket - n) to sit on
11) things to make a barbeque  - b) to make a barbeque

Затрудняюсь к чему подходит "играть в прятки" - d) to play hide-and-seek. Если обязательно нужно с чем-то соединить, тогда - 8) a picnic. Больше ничего, по-моему, не подходит.