Would you mind __ me how ___ the chemistry problem?
The man became a famous writer when he was ________.
—Did you give Tom a call? —I didn’t need to, _______ I’ll see him soon.
_____about the earthquake in Sichuan keep everyone in deep sorrow.(悲痛)
—_____________? —Quite well, thanks.
—Do you know the man wearing a pair of glasses?—Yes. He’s a teacher of ________. He teaches ________ History.