What _________ is your hair?[ ]
A. colour
B. red
C. many
答案：A
根据句意和首字母提示，填写单词。
1. Please read a_____, so everyone in the classroom can hear you.
2. We can’t understand him because his p_____ is too bad.
3. I can’t understand him because he speaks too q_____.
4. The two words sound the same but they are spelled d_____.
5. We found the holiday f_____ because of the bad weather.
蛋白质有哪些生物学功能？
d d_____.