activity#1:ready the group of words carefully.write the letter d if the sentence is a declarative and the letter I if the sentence is an interrogative 1.the boy put this books and pencil s on the table. 2.we walk to school and back home every day. 3.is there an extra blanket l can use? 4.my mom made me a hamburger sandwich for lunch. 5.are we still taking the dog outside?.