Part 1
考官
Did you have a bike when you were a child?
考生
No I hadn't, but my brother had one so I was riding it while he was not in home.
考官
Do you think bikes are popular in your country?
考生
Yes, they are, because many people, uh, use them.
Did you have a bike when you were a child?
分数: 62.0建议: Improve grammar, sentence structure and naturalness. Use a clear topic sentence, correct past tense and contractions and avoid awkward phrasing. Expand slightly with one specific detail and a linking word. For example, correct the negative past possession to "No, I didn't have one," then add how you used the bike and when, using linking words such as "so" or "however".
示例: No, I didn't have a bike when I was a child. However, my brother owned one, so I often borrowed it to ride around the neighborhood after school. I remember practicing balancing on quiet streets until I felt confident.
Do you think bikes are popular in your country?
分数: 58.0建议: Make the answer more natural and specific. Start with a clear statement, then give two concise reasons with linking words (for example, "because" and "also"). Avoid fillers like "uh". Add a concrete example or context to support your opinion.
示例: Yes, I think bikes are very popular in my country because they are inexpensive and convenient for short trips. Also, many cities have bike lanes, so people use them for commuting and exercise, especially students and office workers.
× No I hadn't, but my brother had one so I was riding it while he was not in home.
✓ No, I didn't, but my brother had one, so I rode it when he wasn't at home.
Problems: 1) 'hadn't' is the past perfect negative of 'have' and is inappropriate for a simple possession question; use past simple 'didn't have'. This falls under sentence structure and tense misuse (Past tense issue). 2) 'I was riding it' implies an ongoing action; 'I rode it' is more natural for repeated or habitual past actions. This is a past tense issue. 3) 'while he was not in home' uses incorrect preposition and unnatural word order; use 'when he wasn't at home' (preposition and adverb placement). Suggestion: use past simple for possession and habitual actions ('didn't have', 'rode'), and use 'at home' for location and 'when' for the time clause to sound natural. Suggestion for practice: replace past perfect with past simple for simple past facts, use simple past for habitual past actions, and use 'at home' rather than 'in home'.
× Yes, they are, because many people, uh, use them.
✓ Yes, they are, because many people use them.
Problems: 1) The sentence contains an unnecessary hesitation filler 'uh' which is not grammatical but a spoken hesitancy; remove it for a correct written response. This is a sentence structure/fluency issue. 2) The tense 'they are' is acceptable, but the full answer sounds better and more concise without the filler. Suggestion: omit fillers in formal responses and keep simple present 'use' for general facts.