______man with black glasses is my host father in Britain.

English is＿＿＿  useful language in ＿＿＿  world. 

 --- What ______ scenery!--- Yes. I’m sure you will lose yourself _____ it if you visit it.

My mother is very __________ because she hardly ever exercises.

 — What do you like to do _______ class?— I like to play volleyball.