马上就准备走了，还是有点担心签证呢，我准备的材料有
1.DS156 中英文 DS157 中英文
2.PASSPORT
3.MARRIAGE CERTIFICATE
4.COPY OF MY HUSBAND‘S VISA
5. MY HUSBAND'S I-797 FORM
6. SOME PHOTOS WITH MY HUSBAND AND BABY
7. BANK STATEMENT AND MY HUSBAND'S PAYCHECK
8. MY OLD I-20 FORMS
就这些，请问有经验的XDJM这样的材料全吗，我还需要准备什么吗？谢了！