It's doubtful whether Koichi actually can't eat meat.
Mr. Tashiro's behavior on that day is questionable.
I like Mayor Fugu but if I was asked what he could do for our community, I still have my doubts.
A doubt problem is caused by having too much doubt. Just think about it. Don't doubt yourself, it's why you're getting those vocab words wrong! :P
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.