Yg gak bisa :
1. sorry i cant go to your house today
2. i wish that i could help you
3. pardon me sir , i went to my sister wedding last day . so i didnt do your homework yet
4. my sister bring my cycle so i cant pick up u right now
5. its seems like getting rainy. i cant go to your house

yg bisa
1. surely , i can
2. with pleasure i would
3. lets go!
4. im glad to help you
5. yes i can pick up me