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Practice · B1 Intermediate

4 ways into
“必须”“不必”和“不用”.

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

    工作与出行中的必要性

    根据上下文，选择合适的词语，注意区分要求、没有必要和禁止。

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  2. Fill in the blank

    Exercise 2 · 12 blanks

    日常对话中的询问与回应

    根据对话或句意选择合适的表达，注意词语的位置和回答的意思。

    Start Start exercise
  3. Sort into columns

    Exercise 3 · 4 sets

    分清要求、需要和禁止

    先点选句子，再点选对应的分类，把所有句子放好。

    Start Start exercise
  4. Sort into columns

    Exercise 4 · 4 sets

    看懂必要性的问答与日常用法

    点选一句话或一段对话，再点选合适的分类，直到全部放好。

    Start Start exercise

About this practice

Put “必须”“不必”和“不用” 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