Four parts have been underlined and lettered A, B, C, and D. One contains an error.

1. All science students must (A) listen to instructions (B) attentively. Any negligence or carelessness (C) on their part (D) will lead into great danger.

2. In a small country (A) like Singapore, (B) all must work hard in order to (C) serve for the people (D) in the future.

3. (A) In my opinion most boys like (B) to play outdoor games. Girls, (C) on the other hand, (D) prefer playing toys.

4. Because of (A) having robbed the shop, Alvin was arrested and (B) putting into prison (C) for a period of two months. He was set free earlier (D) for good conduct.

5. X: Helen, (A) you look sad. (B) What’s the matter with you?
Y: (C) Nothing. But my beloved hen died after (D) it had lay its last egg.

6. X: Can you tell me (A) why he was absent yesterday?
Y: (B) I don’t know why. But he told me that (C) he is unwell. I hope (D) he has recovered now.

7. X: (A) What did you see last night?
Y: I saw (B) something terrible. A thief killed a man, took the money, (C) opening the door, and (D) made off with the cash at high speed.

8. X: While Todd (A) was reading the newspaper, (B) his wife was sewing.
Y: (C) What do you mean? Didn’t they (D) did the same thing at that very moment?