_______isafactthatEnglishisbeingacceptedasaninternationallanguage.

Children have a natural ________ about the world around them.

By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.

If you are walking away from a clock tower ，you will hear the ticking of the clock fade to a point ________ it cannot be heard.

_______ for the free ticket, I would not have gone to see film so often.