Dressed untidily and speaking in a strange way, Father must have ______ to the people present to be a silly old man.
I don’t like fish, so I ________ eat it unless I was extremely hungry.
I have no idea ____________ measures the government will take to stop the river from being further polluted.
Scientists are convinced __________ the positive effect of laughter _________ physical and mental health.
The little girl __________ the money for herself, but she __________ it away.
He was caught in the rain, __________ himself catch a cold.