【多选题】
A It is glad for me to hear many suggestions about safety
B I am very glad to hear many suggestions about human life.
C I am very glad to hear many suggestions about property security
D I am very glad to hear many suggestions about the main engine.
E 我很高兴听到许多关于安全的建议
F 我很高兴听到许多关于人类生活的建议。
G 我很高兴听到许多关于财产安全的建议
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