I love giving presents to my friends because I feel very happy when they have smile. = smile 
I think handmade pancake was the best gift which I gave for my grandfather. = homemade ... I gave to 

He was really sick, so he had to stay in hospital. = in the 

I remember that he really loved my pancake, so I made it and he ate it very delicious. =  deliciously 

He looked so happy and he said "This is my best pancake in my life." I can't forget that moment. = the