More and more high-rise buildings have been built in big cities space. ( 2010 .福建)
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.”