"We up right drove to Karachi in two days," is grammatically incorrect because it places the adverb "right" before the verb "drove." Adverbs should typically be placed after the verb they modify.
"We to Karachi drove in two days right up," is awkward because it places the prepositional phrase "to Karachi" between the auxiliary verb "drove" and the main verb "up." Prepositional phrases should typically be placed at the end of a sentence.
"We right drove to Karachi up in two days," is awkward because it places the adverb "up" after the prepositional phrase "to Karachi." Adverbs should typically be placed before prepositional phrases.
"We drove right up to Karachi in two days," is the only sentence that is both grammatically correct and natural-sounding. It clearly states that the speaker and their companions drove to Karachi in two days, and that they arrived there quickly and directly
Option D is the only correct sentence structure. The rest are grammatically incorrect.
The first sentence, "We up right drove to Karachi in two days," is grammatically incorrect because it places the adverb "right" before the verb "drove." Adverbs should typically be placed after the verb they modify.
The second sentence, "We to Karachi drove in two days right up," is awkward because it places the prepositional phrase "to Karachi" between the auxiliary verb "drove" and the main verb "up." Prepositional phrases should typically be placed at the end of a sentence.
The third sentence, "We right drove to Karachi up in two days," is awkward because it places the adverb "up" after the prepositional phrase "to Karachi." Adverbs should typically be placed before prepositional phrases.
The fourth sentence, "We drove right up to Karachi in two days," is the only sentence that is both grammatically correct and natural-sounding. It clearly states that the speaker and their companions drove to Karachi in two days, and that they arrived there quickly and directly