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Practice · B1 Intermediate

4 ways into
持续至今：“已经……了”.

Fill blanks, build sentences, sort words, hunt mistakes — submit and get detailed feedback on every answer.

4 exercises2 formatsFeedback after submissionUnlimited retries

4 exercises

  1. Fill in the blankUp next

    Exercise 1 of 4 · 12 blanks

    持续了多久：时长与语序

    根据上下文选择正确的表达，注意时长、宾语和“没”的位置。

    Continue here
  2. Fill in the blank

    Exercise 2 · 12 blanks

    持续还是结束：读懂上下文

    阅读句子或对话，选择合适的表达或解释。结合上下文判断，不要只根据“已经”和“了”判断是否继续。

    Start Start exercise
  3. Sort into columns

    Exercise 3 · 4 sets

    持续、停止还是已经发生：按意思分类

    点选句子，再点选对应的栏目。请根据完整句子判断，不要只看“已经”和“了”。

    Start Start exercise
  4. Sort into columns

    Exercise 4 · 4 sets

    持续多久：辨认结构与检查语序

    点选一个句子，再点选对应栏目。按每组要求辨认时间表达、检查语序或区分表达内容。

    Start Start exercise

About this practice

Put 持续至今：“已经……了” into practice with 4 interactive fill-in-the-blank and word-sorting exercises at B1 (Intermediate) level. Submit each exercise to get detailed feedback, see the correct answer in context, and build confidence in real sentences. Retry any exercise as many times as you like. Want the rules first? Back to the lesson.

  • Fill-in-the-blank questions with multiple-choice answers
  • Word-sorting questions: tap each word into the column it belongs in
  • Feedback after submission