want to see Mr Johnson on Fridaymorning, make sure he is ______ ahead of time

Tom is a good boy and he writes _________ in his class.

Look at the photo I took in Chiang Mai, Yunnan Province. ________ the Dai people were having!— Wow! They were celebrating the Water Festival.

The old men can hardly imagine that they can live in an age _______ most of the daily things are done on the computers.

As regards health, I have nothing _____ to say since I have ________ of illness.