3.（D)The book was so interesting that he had read it for three hours_____he realized it.为什么选D?|4.（D)____you can't answer this question,we have to ask someone else for help.|5.He is _the best____(good) at English in his class.|1.玻璃杯,glass 两个玻璃杯,two glasses 两杯水,two glasses of water|3. read用了过去完成时,说明发生在realize之前,所以用before.
玻璃杯的英语