my mom's having some of our friends over for thanksgiving

my mom's having some of our friends over for thanksgiving Let's buy some cards ( ) our friends.A for B to C of Mother's Day is coming,I want to buy some fiowers for my mom mom made some bread and cake s___ for my birthday My mom need some oranges.need要加S吗 some of my friends are d___from me Some of my friends took a trip. mary's parents asked some of their friends to their home for let's buy some cards_____our friends.A.for B.to C.of D.at What's Thanksgiving Day for? I want to buy a pair of shoes for my mom.(对my mom画线提问) I want ti buy a pair of shoes for my mom 对my mom 提问