Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.
She_____ have left school, for her bike is still here.
He decided to study ____ second foreign language in order to find ___ better job.
It __________ that the football match ________ put off because of the weather.
Only in this way __to make improvement in your study.
His parents showed no signs of _______ to his demands.