Well saying dunno is an error in formal/academic writing. In academic writing you would have to write, i do not know, though.
A call will be made by my friend to me.
Answer:
<em>He is very poor, but he wears an expensive watch.</em>
I placed the word "but" after the factual statement that the subject is very poor because the purpose of this sentence is to display the contradiction between the person's financial background and the other fact that he wears an expensive watch.
C. evokes
evokes beat completes the sentence.
