_______ with his research work, the professor cared little about any other things.
I’m sure that your letter will get _______attention. They know you’re waiting for it.
As the visiting prime minister puts it, China’s influence in the world will continue to strengthen______ its economy grows.
Knowing the meaning of a word is one thing; yet using it both grammatically and communicatively properly is quite ______.
After staying in hospital for long, the patient was advised to go to the seaside to____ his health.
______, I think, the problems can be settled in no time.