Must / Can't for Logical Deduction

Must / Can't for Logical Deduction — Bài Tập 3

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Must / Can't for Logical Deduction — Bài Tập 3

Luyện tập ngữ pháp tiếng Anh chủ đề Must / Can't for Logical Deduction qua 10 câu hỏi trắc nghiệm. Trả lời đúng ít nhất 70% để hoàn thành bài.

Use must and can't to express logical deduction — must for near-certain positive conclusions and can't for near-certain negative ones. Includes past deductions with must have and can't have.

B2 · Upper Intermediate TOEIC 605–780 IELTS 5.5–6.5 Modality (Modal Verbs)
10 câu hỏi Điểm qua: 70% Bài 3

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  1. 1

    That ______ be John over there. He told me he was going to be out of the country all week.

  2. 2

    The final report is full of complex scientific data and analysis. It ______ have been written by an expert in the field.

  3. 3

    The puzzle piece is a square, but the hole is a circle. It ______ fit.

  4. 4

    The philosophical argument contains a logical contradiction in its foundational premises. Therefore, the conclusion, regardless of how convincing it sounds, ______ be valid.

  5. 5

    He won the lottery. He ______ be thrilled!

  6. 6

    The archaeologist found Roman coins at a dig site in America. The coins ______ have been brought over much later.

  7. 7

    He has a garage full of tools and builds furniture for fun. He ______ be good with his hands.

  8. 8

    The recipe requires a cup of sugar, but I only have half a cup. I ______ be able to make the cake correctly.

  9. 9

    Given the half-life of the radioactive isotope is 100 years, and the sample is 300 years old, it ______ have one-eighth of its original radioactivity.

  10. 10

    A penguin is a bird, but it ______ fly.

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