1+6=____
10-4=____
4+5=____
8-1=____
9-0=____
7-6=____
6+4=____
9-5=____
7+1=____
9+0=____
—Jack hasn't taken his piano lessons for a long time.
—He is considering _________ his piano course and spending more time on his study.
青藏地区主要的农作物有( )
①你沉默,就是人民失语;你认真,民主才能运转起来
②少些空话套话,多些诤言良语;少些雷人雷语,多些常识之论
③你来北京,是来监督政府、参政议政的,不是来鼓掌,点头的
④你来到这里,是一种荣誉,更是一种责任