阅读句子，并用括号内所给动词的适当形式填空，必要时，可加助动词或情态动词等。

Dear Isabel,

     Thank you for your last letter. Here 1______ (be) photos of me and my twin sister Liu Ying. As you

can 2______ (see) in some ways we look the same, and in some ways we 3______ (look) different. We

both 4______ (have) black eyes and black hair,although my hair 5______ (be) shorter than hers. We both

6______ (like) sports, although Liu Ying 7______ (be) more athletic than me. She's more outgoing,and I'm

quieter. I think I'm smarter than her. My favorite subjects 8______ (be) physics and chemistry, and her

favorite subject 9______ (be) P.E. However, we both enjoy 10______ (go) to parties.

     Please visit us soon!

                                                                                                                                             Love,

                                                                                                                                             Liu Li