Rewrite the sentences and keep them the same meaning as the first ones. (0.6 point)
1. If this store doesn’t sell emergency kits, I’ll check the other one.
→ Unless _______________________________________________________________.
2. Don’t throw trash into the river, or it will become more polluted.
→ If you _________________________________________________________________.
3. This lake is polluted because the factory is dumping waste in it.
→ The factory ___________________________________________________________.

1. Unless this store sells emergency kits, I’ll check the other one.
2. If you throw trash into the river, it will become more polluted.
3. The factory is dumping waste into this lake, so it is polluted.