Grade Three students have a ______ to work harder than those in Grade Two.
. Jack is good, kind, hard-working and intelligent. _____, I can't speak too highly of him.
We can't _____ one to change the habits of a lifetime in a short time.
American women were _____ the right to vote until 1920 after many years of hard struggle.
Roses are quite _____ flowers in English gardens.
The illness from which Mary is suffering has now been _____ as hepatitis (肝炎).