Choose the underlined part that needs correcting in each sentence below.
31. Unless(A) you win(B) first(C) place, you will receive(D) a prize.
32. This is(A) the hotel where(B) we stayed(C) in during D our trip to Hue last year.
33. I plan(A) to take(B) my vacation to Phu Yen with my friends either(C) in May nor(D) June.
34. Dark chocolate isn't(A) only delicious, but(B) it also does(C) your health good(D). 35. Jill told(A) the stories about(B) all the people and the places where(C) he met during D) that long journey.