Join the pair of sentences in the following line to make one sentence using the conjunction in the bracket.  I will go to the beach. It doesn't rain tomorrow. (If)

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

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

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 

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?