You may have the pencil, but you can't have the ballpoint … .

Analyze the question

The sentence is: "You may have the pencil, but you can't have the ballpoint __."

The gap comes at the end of a negative clause ("can't have"). So we need a word that means "too" in a negative sentence.

Explain the concept

• Too / as well / also are used in positive statements. • Example: "You can have the pencil, and the ballpoint as well."
• Either is used at the end of negative statements to mean "also not". • Example: "I don't like rice, and I don't like beans either."
• Furthermore is a linking adverb meaning "in addition". It usually starts a clause and is followed by a comma. It doesn't fit at the end of this sentence.

Step-by-step solution

1. The sentence is negative: "you can't have the ballpoint".
2. We need a word that adds another negative idea at the end of the sentence.
3. Check each option: • A. As well: used in positive sentences, so it is wrong here. • B. Either: correct for a negative sentence. "You can't have the ballpoint either." • C. Furthermore: a formal connector, not used this way at the end of a clause. • D. Also: positive, and it normally comes before the verb, not at the end after a negative.

Answer: The correct option is B. Either.

The sentence reads: "You may have the pencil, but you can't have the ballpoint either."

Exam tip

Use this quick rule:

• Positive sentence → too / as well / also
• Negative sentence → either

If you see "can't", "don't", "isn't", "never" and so on, and the gap is at the end, think either.