Mmm. code-switching. An example of code-switching would be "It's very さむい right now”. This fits the definition of code-switching because it switches between Japanese and English.
The correct answer would be Learn. Hope this helps!
<span>Two weeks later, Dr. Jekyll gives a small dinner party, for which, we gather, he is well known, for the narrator refers to it as being "one of his pleasant dinners." Five or six of Dr. Jekyll's old cronies are invited, and among them is Mr. Utterson. As usual, the food is superb, the wine good, and Utterson manages to be the last guest to leave.</span>