Question 9
EasyOriginal questionChoose the correct form of the verb to fill the blank.
Water ______ at 100 degrees Celsius at sea level.
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
A scientific fact is always true, so it takes the simple present: "boils".
Worth noting
"Is boiling" describes one pot on the stove right now, not the general fact.
- Concept
- The simple present for a scientific fact
- Typical timeTypical
- 30 s
- Your timeYours
- —
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Ten questions from Tenses and agreement, at your own pace.