句型转换  （共20空，每空0.5分，满分10分）
The government calls on every citizen to contribute to building a harmonious society.
The government calls on every citizen to _______ _______ to building a harmonious society.
Nowadays, it is possible that we find it hard to understand Old English because it is made up of a mixture of different languages.
Nowadays, we _______ _______ to find it hard to understand Old English because it _______ _______ a mixture of different languages.
The children quickly ran away and I couldn’t see them anywhere before I could say a word.
The children quickly ran away and were _______ to _______ _______ before I could say a word.
It is known to us that making others embarrassed in public is impolite.
_______ is _______ to us, it is impolite to _______ others in public.
Judging from the disappointed look on his face, he failed the test.
Judging from the disappointed look on his face, _______is _______ that he failed the test.
Besides knowledge, responsibility and respect should also be taught to students.
_______ _______ knowledge, responsibility and respect should also be taught to students.
On Tomb-sweeping Day, people go tomb sweeping to remember those who have passed away.
On Tomb-sweeping Day, people go tomb sweeping _______ _______ of those who have
passed away.
Most people believe that families play a very important role in education.
Families are _______ _______ play a very important role in education.