________ his appearance, he is most probably a new teacher.

this something, still unseen, theygave the name radium

He was busy writing a story, only _____once in a whileto smoke a cigarette.

Not only my parents but also I interested in Chinese folk songs and Abao is our favorite singer.

Are you going to Australia for the coming winter holiday—Yes. I am making the bookings. It is exciting to think about that I ____a sun-bath on the beach soon.