--Do you know how to __ a beef sandwich at home?--Sorry, I don’t know.
---Whose(谁的) is the ruler? ---It’s not_______. It’s ________.
Here ______two books and a pen on the desk.
---_______my beautiful pencils? ---They are on the table.
Please call Alan _______495-3569.
---Is that a ruler? ---Yes, __________.