Select the most appropriate option to fill in the blanks: He just kept waiting for his seed to---.
Show answer & explanation
Correct answer: A
Explanation
The word "to" in this sentence is part of an infinitive structure.
The Rule: In a standard infinitive, the word "to" must always be followed by the base form of the verb (V1).
Out of the given choices, "grow" is the base form.
Correct: to grow
B) growing: You cannot use the -ing form immediately after "to" in this context.
C) grows: You cannot add an "-s" to a verb in an infinitive.
D) is grew: This is grammatically incorrect and makes no sense in English.
Correct Sentence: "He just kept waiting for his seed to grow."