根据句子意思，用括号中所给单词的正确形式填空。
1. Something is wrong with your car. Don't worry, you can use __________ (we).
2. The __________ (high) you climb, the more beautiful view you will see.
3. Nancy is patient and she doesn't give up __________ (easy).
4. From June 1", supermarkets in China will not provide plastic bags(塑料袋)for free. If
__________ (shop) need one, they have to pay.
5. He seemed __________ (friend) at first, but now I've got to know him and I realize he's warm and kind.
1. ours 2. higher 3. easily 4. shoppers 5. unfriendly