Circle the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 

Humans will have to find ways to adapt to new environments.

If you don’t study harder, you ‘ll fail the next exam.

Unless ________________________________________________________________.

I am interested in learning chemistry.

I find __________________________________________________________________.

John plans to visit his grandparents next weekend.

John is ________________________________________________________________.

He works hard _______ help his family.

Write the second sentence so that it has a similar meaning to the first one. 

Looking after yourself when studying abroad is important.

It’s ___________________________________________________________________.