He never speaks to others until ______.
.Keep in _________ that all people are different and some may progress faster than others.
These two maths problems can’t be used in the exam.They are too_________to the students.Everyone can remember the answers.
I think I recognize the song she is singing.It sounds _________.
There are 3 000 workers in the company,with young women from the country_________the largest part.
This kind of music,first_________in the 1700’s,has become very popular.