用所给词的适当形式填空。
1. Please give it to ____________ (I).
2. He has ____________ (lot) of friends.
3. John ____________ (do) his homework every night.
4. Why are you ____________ (laugh)?
5. It's easy ____________ (make) mistakes with English.
1. me 2. lots 3. does 4. laughing 5. to make