自行车— Part 1 評分報告

建議: 回答要更自然、语法正确并扩展细节。注意时态和介词用法（说“I was 12”或“on my 12th birthday”），避免冗余。可以加一句描述自行车的外观、用途或你对它的记忆，使回答更具体且连贯。

範例: Yes. My father gave me a bicycle for my 12th birthday. It was a blue mountain bike with wide tires, which I used to ride to school and explore the neighborhood every afternoon.

建議: 回答需更流畅、用词准确并避免结巴。把观点先明确表达，然后用连接词给出具体原因或例子。修正句子逻辑（例如“shared bikes on the streets, which can help us travel whenever we want”）。

範例: Yes, definitely. Bicycles are very popular in my country because many people use them for short trips. For example, there are shared bikes available on the streets, which make it easy to travel whenever you need.

× Yes, my father once gave me a bike when I was on my 12 year old birthday.

✓ Yes, my father gave me a bike when I was twelve years old.

问题类型：过去时问题。解释：原句中使用了“once gave”虽然不完全错误，但短语“when I was on my 12 year old birthday”结构不自然。英语中通常用“when I was twelve years old”或“on my twelfth birthday”。此外“12 year old”作定语时应连字符并放在名词前（12-year-old birthday），但“birthday”前不常说“12-year-old birthday”。建议用更简单自然的表达："when I was twelve years old"或"on my twelfth birthday"。

× Oh yes, of course, very popular.

✓ Oh yes, of course — they're very popular.

问题类型：句子结构错误。解释：原句缺少完整谓语，"very popular"只是形容词短语，不能独立作为完整句子。需要一个主语和谓语，例如"they're very popular"或"bicycles are very popular"，使句子结构完整。建议说："Of course, they're very popular."

× Uh, we even have uh, shared bikes on the streets, which can. Help us to write it we never we want.

✓ We even have shared bikes on the streets, which can help us whenever we want to use them.

问题类型：句子结构错误。解释：原句断断续续且有语序混乱，"which can. Help us to write it we never we want"不合语法，意思不明确。推测想表达“我们可以随时使用它们”。因此应改为"which can help us whenever we want to use them"或更简洁的"which we can use whenever we want"，保证从句与先行词一致并使用正确的连接词和动词形式。