The scientist's theory was considered plausible but more evidence was needed to confirm it. 

(i) Impossible (ii) Reasonable and believable (iii) Strange (iv) Unclear 

"His tenacity in pursuing his dreams despite numerous failures is truly admirable." 

(1) Laziness (ii) Determination (iii) Fear (iv) Carelessness 

Fill in the blank with the correct preposition: 

She is very intersted  ________ learning new languages. 

(i) at (ii) in (iii) on (iv) by 

Read the sentence and answer the question: 

"The invention of the internet has revolutionized communication, making it faster and more accessible to people worldwide." 

Question : What is the main impact of the internet according to the sentence?