1.when __ the machine __?In two years.(invent) 2.Can you give me some water?Mine __(run out)
问题描述：
1.when __ the machine __?In two years.(invent) 2.Can you give me some water?Mine __(run out)
3.The boys were happy ,for they could ___believe that they could be paid to do something they enjoyed.(用easy、hardly、one、noisy其中一个的什么形式?)
答
will
be invented
ran out 某东西用完
hardly 几乎不水不是被用完吗？为什么不用has run out?