The population of China is larger than____ of Japan.
He was busy writing a story, onlyonce in a while to smoke a cigarette.
Seeing the soldiers well _____ for the flood-fight, the general nodded with satisfaction.
Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
—— Have you considered _____ your job as a teacher? ——Yes. I like the job because a teacher is often considered _____ a gardener.
The monument was built in honor of the explorer who was believed _____ the river.