Question

1. Yuri Gagarin made the first f _ _ _ _ _ whose success attracted worldwide attention. 
2. To walk on the moon, the  a _ _ _ _ _ _ _ _ _  had to carry a suitcase which contained oxygen
3. My mother tongue is Vietnamese. I use English as a  f _ _ _ _ _ _ language.
4. In some countries, tourism plays a key role in their e_ _ _ _ _ _ _  growth

 

Answer 1

1. flight

2. astronauts 

3. foreign

4. economic