I think its unos lapices. I'm not entirely sure tho
Answer:
Usted necesita un pantalón.
Explanation:
This would mean "do you need pants."
The other ones are written incorrectly
Answer:
Well, you will know when to use -er when you refer as verbs with infinitives ending. What you will do is drop the -er from the infinitive and add the second conjugation present tense endings: -o, -es, -e, -emos, -en.
Explanation:
To use -ar you will use the first conjugation, for example, hablar, lavar, llamar.