C I'm 99% positive it is the answer (curse this 20 characters or less.)
Answer:
locate
Explanation:
search - find means you've located the object you were looking for or see something happening
lose - exact opposite of find
drop - drop does not associate with "locate"
Mr.Frank gave Anne the diary after they moved into the Secret Annex to write down her thoughts and whatever was on her mind.
Peter and Anne have a delicate relationship at the beginning,( and they often argued!), but later, they become more affectionate towards each other.
The words chosen to create meaningful dependent clauses are the following ones:
a) Although Marissa likes to bake, she doesn't like to cook (this conjunction is used to make the main statement in a sentence seem surprising)
b) I have an idea that I think you will like (the complementizer introduces the noun-complement clause attached to the noun "idea")
c) If we drive slowly, we will find it (the conjunction used to introduce a conditional clause)
d) French, which we also had last year, is my hardest subject (a relative pronoun, which in this case, introduces a non-essential relative clause)