When he went home, his mother _______ dinner, so he took off his coat to help her.

a. However, it has lots of storage, it's very cheap.

b. Hi, Anna, Guess what! I want to get a smartphone for playing games.

c. I can't wait to show it to you!

d. At first, The Royal 1000 looks great, but the camera isn't as good as some other phones.

e. Mike knows a lot about phones and computers, and he helped me choose my birthday smartphone.

f. See you soon!

Mark the letter A,B,C, or D on your answer sheet to indicate the correct arrangement of the sentences to make a meaningful paragraph/letter in each of the following questions.

a. Firstly, the process of invention often involves identifying a problem or need in society.

b. This is followed by brainstorming ideas and conducting research to find possible solutions.

c. Once a viable solution is conceptualized, inventors move on to prototyping and testing their invention.

d. Invention is a crucial driver of progress and innovation in society.

e. Finally, after refining the invention based on feedback and testing results, it can be brought to

market or implemented for practical use.

Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.