Work starts every day at 7 a.m and goes on until late afternoon__________a break at midday

－My Chinese book is nowhere to be found. Where ________ it be－Is it under the sofa

He called at her house in the belief _______she would lend him the money.

It is obvious that this anti-smoking ____is mainly aimed at young teenagers

s experiment, the famous professor showed three different ________ to the study of physics.