Up to now, the little boy is still unable to _______ to us what he meant just now.
— Will you go off to Shanghai tomorrow? — I’m not sure. It ________ the weather.
He ______ to get out of trouble, but no one would help him.
This method was so easy and _______ so reasonable.
— What did he _______ when he went out? — An umbrella.
The Third World, to which China ________, refers to the developing countries.