Being a doctor is one of the few professions____if you make a mistake,it can mean somebody's life.
Mary clapped her hand over her mouth _______ she realized what she had said.
_____ she goes, there are crowds of people waiting to see her.
You should put on the notices ______ all the people may see them.
_____ I suggest, he always disagrees.
“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”