The key to exercise solutions in chapter 3a - Reading for the textbook On Screen B1+/B2 - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
Explain the words in bold. Check in the Word List.
Answer
mass (n) → size
eager (adj) → willing; keen
medical missionary (n) → a doctor who travels abroad to help people and teach them about Christianity
entire (adj) → whole
stumbled upon (phr v) → found by chance
witnessed (past participle) → seen
is located (phr) → is situated
gorge (n) → a long narrow valley
wonders of (phr) → marvels of
World Heritage Site (phr) → a place that has been recognised by the UN for its uniqueness and need of protection