The focus of Biogenesis is the development of innovative drugs, diagnostics and platform technologies in the field of health sector.
Using the word "then" at the beginning of a sentence is not incorrect. However, it does not make a sentence complete. A complete sentence must have, at a minimum, a subject and a verb. "Then" is neither of those.
The complete meal had only 750 calories.
Medusa had a hideous hairdo.
She was given some leeway to complete her project, understanding that unexpected delays could occur.
Your question is itself a sentence which uses the word "could".
A sentence using the word Water tight could be "Is this seal watertight?" .
I Dont freakin NO =)
'Set' as a noun: She gave me a beautiful set of dishes.
An example of a sentence with are could be:"We are very happy that you could come to our party."
that's not a complete sentence learnto type complete sentances or don't type at all!!!!
You, my friend, have just answered your own question.
A sentence using the word admit could be this, "The man on trial did not want to admit he was wrong."