他在看书译：he reading a book,he reading the book ,哪个对,why?他在看书译：he reading a book,he reading the book ,he reading book哪个对,why?
问题描述：
他在看书译：he reading a book,he reading the book ,哪个对,why?
他在看书译：he reading a book,he reading the book ,he reading book哪个对,why?
答
都错了，应该是He is reading a book.
因为这句话是现在进行时态：主语（He）+be动词(is)+动词ing形式(reading a book.)
答
He reading a book 。原因很简单，我的语感是这样，因为要是你问我what are he doing ，我肯定这样说…呵呵，要不着用the 这么一个特指代词
答
He is reading a book.
现在进行时：主语+be动词+动词ing形式.