せんせい title is used for English Teacher, Kindergarten Teacher, Dentist, Opthalmologist, Nurse.
Explanation:
Basically,Sensei (せんせい) title is used for - TEACHER; MASTER; DOCTOR.
The answer is b because a complex sentence is a independant clause and dependant clause in one sentence.
Answer: it should be threshold
Explanation:
Hey :)
The answer is C
The others are definitely not punctuated correctly
Hope this helps!