have (has) been to:去过某地(表示某人的一种经历),可以和once, twice, often, never, ever 连用。 have (has) gone to:去某地了(表示某人已经离开此地,在去某地的路途上或已在某地,所以一般来说此句型只用于第三人称),此句型不能与上述时间状语连用。 (1)He has gone...
But as reliance on the Web grows, there are signs that the question is getting more serious attention: Last month, a study published in CNS Spectrums claimed to be the first large-scale look at excessive Internet use. The American Psychiatric Assoc...
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