she struck the keys too hard and two of the strings were bro

she struck the keys too hard and two of the strings were bro （cut 、hit ）she cut the strings 和 she hit the keys too hard? Two of the strings Two of the strings were broken.损坏了两根琴弦. strings of pop corn and garlands on the tree Gone too soon were the days of you and I two of strings 可不可以改成 two strings she struck the man__the face Like most of its relatives,the jinghu has two strings that a look at the photo, the two girls have blue eyes and long bro Mary went out in the light and she found the two shoes were 1.The girl is too young ,and she can't do such hard work.（改为