Advanced English Primary 4 Editing

Choose the correctly spelt word to replace the underlined word.\n\nThe scientist conducted a series of carefull experiments before publishing her findings.

A carefull
B carefully
C careful
D carfully
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Worked Solution

Step 1: Identify the misspelt word: "carefull" — the double-l ending is incorrect. Step 2: The correct adjective is "careful" (single l). "Carefully" (adverb) ends in -ly but is the wrong word class here. Step 3: "A series of careful experiments" — "careful" is an adjective modifying "experiments". Answer: careful

Correct answer: careful

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