Lucy will finish writing an email in half an hour.(对in half an hour提问）是HOW LONG 还是WHAT TIME.
问题描述：
Lucy will finish writing an email in half an hour.(对in half an hour提问）
是HOW LONG 还是WHAT TIME.
答
How soon will Lucy finish writing an email ?
用 how soon 多久
祝你学习进步，更上一层楼！ (*^__^*)
答
最好还是用when吧
答
用How soon
在一般将来时，对”in+一段时间提问“用how soon，表示多久以后
.How soon will Lucy finish writing an email?
露西多久能写完一封电子邮件？
答
what time
答
How soon will Lucy finish writing an email
用 how soon 多久
不明白的再问哟,请及时采纳,多谢!