请根据句意或括号中的音标提示、中文提示及英文释义，写出句中所缺单词，使句子通顺。
1. We celebrate our country’s birthday on ________1st.
2. Kitty is________ ['k??f?l] with her diet because she wants to keep fit.
3. The computer is too________ [iks'pensiv]and I can’t take it.
4. The students can ________ (借) only two books from the school library each time.
5. The sun is shining ________ (通过) the window on the girl’s face.
6. Thank God! It’s ________ (the day after Thursday) again.