—There's someone knocking on the door.Who it be?—It must be Mary.She promised to be here at 8:00.
.He keeps on with physical training in winter _________ cold it is.
.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.