【题目】Read, think and choose.
A. Thank you.
B. Let’s carry them out.
C. I want to put these books in them.
D. They are in the next room.
Dad: Where are the big empty boxes?
Son: __________
Dad: Can you bring them here? __________
Son: Sure! Here you are.
Dad: ___________Now let’s put the books in the boxes.
Son: OK! Dad, these boxes are full now.
Dad: Good. __________