Here are the answers to both parts of your request:

### Ex14: Choose the odd one out

1. **A: campsite** (B: aquarium, C: watch, D: theatre are all places/objects related to entertainment or hobbies, while campsite refers specifically to a location for camping)

2. **A: played** (B: dance, C: listen, D: cycle are all present continuous actions. "Played" is past tense.)

3. **B: music** (A: fish, C: plant, D: chess are all things that can be physically handled or played with, while music is an auditory experience.)

4. **A: were** (B: am, C: is, D: are are all present forms of the verb to be, while "were" is the past form.)

5. **A: water** (B: play, C: funfair, D: walk are all activities, while "water" is a substance.)

### Ex18: Reorder the words

1. Where were you and your sister yesterday?
2. Were you and Huy at the theatre last Sunday?
3. We danced around the camfire last weekend.
4. We were at the theatre yesterday.
5. We cooked dinner and listened to music together.
6. What did you do last Monday?
7. We were at the campsite last weekend.

Feel free to let me know if you need anything else!