He started to learn English in 1990 and in the years ________ he kept on using it in his work.
It is not the strongest of the species that survives, nor the most intelligent that survives. It is ______ that is most adaptable to change.
_______ application of transgenic technology(转基因技术)should be restricted on all food production and the government should take _______ “scientific attitude” toward genetically modified food.
The little boy talked his mother ______buying him a home computer.
---What do you think of the old couple?-----It was an act of _____that they distributed food among the homeless.
Although the lady recovered from the illness ,she is still _____with chopsticks.