In the following passage some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

I have always been bad at journaling. All my childhood diaries include major gaps: In one (1) ______, I am 8, visiting my aunt. In the very (2) ______, I have experienced puberty and have a crush on Mohit, the kid (3) ______ sits behind me in biology. Today, my journal and I are something like estranged acquaintances, who check in every now and then just to keep in (4) ______, without really understanding why. Yep, we say to each other in passing, everything’s good. Hope all is (5) ______ with you!

Select the most appropriate option to fill in blank number 4.