—Sorry,Mum, I lost my key to the bicycle again. —Oh! How_____ you be so careless! You have to learn to look after your belongings.
He knows so much about the story. He must have read the book,_____?
He knew the problem was serious and promised to look into it _____ he reached office.
Greatly moved by what she did,________.
If better use is _____ your spare time, you’ll make greater progress in that.
Not everyone likes everyone else, _____?