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15．Listen to me carefully!We must obey the traffic rules to keep us ．（　　）

A．

safe

B．

save

C．

safety

D．

safely

分析認真聽我說！為了保證我們自己安全，我們應該遵守交通規則．

解答答案：A．考查形容詞詞義辨析．句意：認真聽我說！為了保證我們自己安全，我們應該遵守交通規則． save動詞，救援，拯救；safe形容詞，安全的，可靠的；safely副詞，安全地；safety名詞，安全，保險．根據題干：We should obey the traffic rules to keep ourselves__．可知本句是用形容詞safe作賓語補足語，即為了保證我們自己安全，我們應該遵守交通規則．故選A．

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