Mom came to Emily's room and found the window was open. It was raining hard outside. Because the window was opened, the books on the desk were wet.

Question

A: Emily, look at the books. They are all wet.

B1:Oh, no. I'm sorry. I forgot to close the window.

B2:Oh,dear. I'm sorry, Mom. I didn't close the window.

B3:Oh, boy. Excuse me, Mom. I kept the door open.
(Are the answers all grammatical? What other expressions can we use? Common ones, please. Thank you.)

B4:

B5:

Answer 1

B1 and B2 are fine.

B3: Oh, boy. Excuse me, Mom. I left the door open.

B4: Oh, no! I forgot to close the window. I'm so sorry, Mom.

B5: I'm so sorry, Mom. I forgot to close the window.