题目

根据句意及提示，在横线上填写适当的单词。 46. Ben was very __________ to have a dog helper.  (luck) 47. I’ll lead you to visit our school. Please __________me. /'fɒləʊ / 48. Mobike is considered to be a new ___________ in China. (invent) 49. We are looking forward ____________ the new life in senior high school. 50. Come to the front with _____________ and show your talent, Peter. （勇气） 51. I've already asked her____________ but she hasn't replied to me.（两次）王强同学解方程组4x-y=○2x+y=8时，求得方程组的解为x=2y=◆．由于不慎，将一些墨水滴到了作业本上，刚好遮住了○处和◆处的数，那么○处表示的数应该是44，◆处表示的数应该是44．