I'm tired out. I all afternoon and I don't seem to have finished anything.
“Isn’t it time you ________ down to _______something useful?” said his mother.
. I became more and more excited, trying to work out _______ Mom was taking us on holiday.
Medicine shouldn’t be kept _______ it is accessible to children.
_____ to Beijing, I would visit the Forbidden City where the emperors once lived.
--- Would you feel like _____ a cigarette? --- Yes. I would like _____. But my doctor asked me not to do so.