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

1. (A) Hurrying across the playground, her books (B) fell in the mud. She then (C) picked them up, but they were (D) muddy.

2. Although there is an English test tomorrow, Tom wants to go (A) to the pictures this evening. (B) Knowing this, his mother said. "(C) You’d better not to go but stay at home and (D) study."

3. I bought the book you recommended (A) the other day. (B) I was disappointed. It is not the book (C) which I expected to be. Besides, it was (D) far too expensive.

4. The man is very (A) old and exhausted. He needs (B) a stick to walk or he will (C) stagger and fall (D) if left alone.

5. X: Where did (A) you come from?
Y: (B) From Japan.
X: (C) How did you come?
Y: (D) With an airplane.

6. X: What did you do yesterday? Did you (A) go to the concert?
Y: Yes, (B) I have seen a good performance yesterday. It was really (C) enjoyable. (D) What about you?

7. X: (A) Between you and me, (B) she is not so smart.
Y: (C) In a way, you are right. (D) But at time, she can be very brilliant.

8. X: Do you know who will be (A) on the new committee?
Y: (B) Who? (C) I do not and have not heard anything about it.
X: Well, we’ll know (D) sooner or later.