可持续发展是必须坚持走的道路。
A. 对
B. 错
Short conversation1[音频]
A. He is upset that his sister is missing.
B. He is tried of his sister's explanations.
C. He is dissatisfied with his sister's housework.
D. He's very unhappy at his sister's act.
Short Conversation 2[音频]
A. He is always in a bad mood.
B. He is rarely in a bad mood.
C. He makes fuss about losing his temper.
D. He often loses his temper.
Short Conversation 3[音频]
A. He did not make the joke about Horace on purpose.
B. He couldn't help Horace with his problem.
C. He offended Horace with his problem.
D. He offended Horace deliberately.
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