Each sentence has a mistake. Find it by choosing the letter A, B, C or D.

Reading is a useful way to help learners become more smarter.

A. If you don’t turn off all electronic devices before you go out, you will be fined.

B. You have responsibility to turn off all electronic devices before you go out.

C. All electronic devices must be turned off before you go out.

D. It is important to turn off all electronic devices before you go out.

A. This is the most intriguing book I have ever read.

B. Without this book, I have never read any book again.

C. This book is so intriguing for me to read.

D. I really like this book.

A. watching     

B. too much     

C. adverse     

D. about

A. Her friends are enabled to put up with her bad behaviors.

B. Her friends can’t tolerate her bad behaviors.

C. Her bad behaviors make her friends bored.

D. Her friends hate her due to her bad behaviors.

A. brings     

B. benefits     

C. because of     

D. much knowlege

A. need     

B. keep off     

C. devices     

D. for