It is______ nice of you to say so.
Ella improved her way of study. _________, she has made great progress.
_______theteachersintheschoolisonehundred,and______ofthemarewomenteachers.
They were ________ busy ________ with each other ________ the time.
Tell me ______________.
Ifyouwanttobuyanexpensivecamera,wehaveseveralmodelsforyou________.