The population of China ____ larger than that of .any other country in the world.
Many developed countries have agreed to help the less developed ones but it remains ________ whether they will take action or not.
A great welcoming party was held yesterday ________ the visiting president, Mr. Xi Jinping.
_______ part that vocabulary plays in learning _______ foreign language should never be ignored.
No judgement ________ about the case until all the evidences have been carefully checked.
Under the environment of fierce competition, the only way John could imagine _______ stress was to get tougher by making greater efforts.