Tom is good boy and _______ he is honest. He never tells a lie.

Children need a lot to grow up, but ________ they need love and care.

. _____ the English examination I would have gone to the concert last Sunday.

The 30th Olympic Games started ____ July 27th, 2012 in London.

As everybody knows，kangaroos are native________Australia and are often regarded as one of Australia’s national treasures.