假定2012年生产一件H商品的社会必要劳动时间是生产一件K商品的6倍,若2013年生产K商品的社会劳动生产率降低50%,生产H商品的社会劳动生产率提高了5倍,那么今年一件K商品的价值量用H商品表示应为( )
You are students in the No.168 Senior High School now, but you _______ in different junior high schools for three years.
I hope you can _______a solution to question as soon as possible.
It is believed that a new kind of drug _____ by the scientists and they are hopeful that they will succeed in a few months.
The speaker raised his voice _____ make himself _____ by the listeners.
We waited and waited.________ we had been looking forward to.