Its main purpose is to get you excited about science by doing it rather than simply learning about it. What does '$it^{\prime} refer$ to?

1.The books shop sells no books ¾ Bangla, French and English.

2.The emergency exit was concealed ¾ a red curtain.

3.Audience are attracted by ¾ advertisement and tend to buy the product blindly.

4.The expression 'in $defiance^{\prime} means$ ¾

5.In everyday life, ¾ is not considered a polite expression.

6.Change into indirect narration : I say to him, "Please don't repeat the mistake."

7.Which of the following sentences has an adverb in it?

8.Use the appropriate form of verb : The town where I live is very different now. It (change) a lot

9.The noun form of the word '$waste^{\prime} is$ ¾

10.Choose the correct passive form of the following active sentence : My friend kept me waiting.

11.The synonym of the word '$social^{\prime} is$ ¾

12.Find the correct sentence.