用现在完成时造俩英语否定句
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用现在完成时造俩英语否定句(图1)
======以下答案可供参考======
供参考答案1:
I haven't travelled abroad yet.
He hasn't heard from his son for a long time.
供参考答案2:
1、I haven't finished my homework yet until now.
翻译：截止现在，我仍然没有完成我的家庭作业。
2、He hasn’t received any formal education about organic chemistry.
翻译：他从来没有接受过任何关于有机化学的专业教育。