A scentence for unlikely is: He has a good reputation for being a liar, so it is unlikely he is telling the truth this time.
however
Maybe because, what if the word also is the first word of the scentence. You also don't use it when you have a scentence like: I also like bananas and strawberries. What I mean is, is that it depends on the scentence.
its Thirty-fifth if in the middle of a scentence and it's Thirty-Fifths if it's the beggining of a scentence
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You don't.
I talked earnestly.
a sentence is a long word thingy
Scientists have split the atom.
we all had a separate alcove
The invention of the wheel was a revolution.
He noticed his hair had receded.
It depends on what your scentence is