What is the infinitive phrase in this sentence?
if you were to watch a new movie, which one would you choose?
a)if you were
b)to watch a new move
c)which one
d)would you choose
i think the answer is a, am i correct?

i believe that the answer is b! i hope i out!

a. "to practice" is the best phrase to complete the sentence.

explanation:

during the summer, she likes to practice her soccer skills so that she is ready to play in the fall.

(note that : all the other options "the practicing of", "practice for" and "to do a practice on" are inappropriate as they make the sentence grammatically incorrect.)