疑问句中
In a question
以上为机器翻译结果，长、整句建议使用 人工翻译 。
无论在古英语还是现代英语中，疑问句中要填充补语成分。
Whether in Old English or Modern English, complementizer has to be filled in interrogatives.
youdao
用在疑问句中也可用以建议做某事。
You also use "couldn't" in a question to suggest doing something.
一般用于否定句和疑问句中。
You normally use "much" in negative sentences and questions.
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