______, they couldn’t solve the mystery.
A CD was_______ to the front of the magazine to encourage people to buy it.
_______ the right to correct his difficult question,the teacher of English was pleased and praised me in front of the class.
As the interview rule goes,you can take some time to think through answers_______ you make a reply.
Of my five favorite novels,one was written by an American writer.Mark twain and_______ by an English writer ,Charles Dickens.
Taxis outside hotels are usually safer,but more_______ for the day hires,which charge more than the passing ones.