_____, the book will surely attract readers’ attention since it is related to people’s health.

is ____ as a free dinner in this world, as thesaying goes, “No pains, no gains.”

Have you found the poor dog yet— Yes. But he was ____ when we found him. The bad weather killed him.

His answer was _______, so no one could make out whathe meant.

They discussed the issue of the world’sclimate in Durban, South Africa several times but could come to no ________.