A．根据句意和汉语提示，在空白处填入适当的单词。
1. Shirly _______________ (许诺) to keep secrets for me.
2. Sandy has written ________(日记)since two months ago.
3. Scientists _______________ (发现)a black hole in space.
4. My friend often (建议)me to use yellow stationery to bring me success.
5. Who should Millie talk to about her friends’ strange (行为).
