The good thing about children is that they ________ very easily to new environments.
The number of people present at the meeting _______ two hundred and a number of them _______ from the countryside.
Giving up smoking is a slow and painful _______ for him.
Busy _______ he was, he managed to spare some time to help plan the project.
The maths teacher demanded that all the students _______ the examination paper within one and a half hours.
You must keep it _______ in mind that education is the first productivity.