We find the book very ______.

It is well-known that advertising is often the most effective method of .

Mum, I haven’t seen Dad for four days.— Oh, he’s busy with a new project. You know, his work ________.

do youhang that photograph above the fireplace—— visitors of the memorial days of LongMarch, Sir.

I hear there is an earthquake(地震) inYa’an, Sichuan.—-Why not _______ our pocket money to them