题目内容：

Dear Sally，

I will have a _______ for my 13th birthday. Can you come？It will be a wonderful party. You can listen to some pop music and you will also see a big birthday cake. I think it's _______ bigger than your backpack. It is as big as a desk. Have you ever seen a cake like this one？It will be a special party，too. It's also a ball（舞会）.You can dance to nice music, _______ you'll have to bring a partner（舞伴）.The party begins at 7：00p.m. _______ Friday. Welcome to my house. You will enjoy ________！Don't forget to bring your partner！

Love，

Harry

1.A.gift B.cake C.party D.friend

2.A.as B.like C.much D.very

3.A.although B.but C.because D.so

4.A.at B.in C.on D.with

5.A.yourself. B.your C.yours D.you