The word floundered generally mean struggled or went through great difficulty/troubles.
Well i took these pics off the internet so... just saying 1. fret
and i cant draw the other two but oh well
2. wet
3. met
The answer is a, it's the only one against hinting deer.
I would most certainly say that it is possible to use only credible sources. It is definitely in our best interest to always use credible sources, though it may not always be possible in some situations.
Your answer should be “Wrong”