Across
- 2. (3 words) they collect the sun's energy on the roof
- 4. Present simple tense meaning IT LOOKS LIKE, IT COULD BE
- 5. slang for piling up or getting more and more of something
Down
- 1. present continuous tense meaning VERY COLD
- 2. collecting information by asking people questions
- 3. present perfect tense meaning TO BUY