【2013陕西】We are planning to have a surprise party ________ her fifteenth birthday.
There is a computer _______ the desk.
Please _______ these books to your school.
This is my little sister. _______ name is Jenny, we all like_______.
–Where _______ the socks? --_______ on the bed.
–Do you know how to _______this word? –Yes, B-A-L-L.