she's cut my strings.这句是什么时态?

she's cut my strings.这句是什么时态? （cut 、hit ）she cut the strings 和 she hit the keys too hard?she cut the strings 和 she hit the keys too hard?两句中的cut 和 hit 有什么不同? Pull My Strings 歌词 Today is my sister's birthday She ___ (cut) her brithday cake now pull one's hard strings She cut her finger.这句话中CUT为什么不加S问题补充：She cut her finger .中的CUT为什么不加S. I am going to the hairdresser's to____.A cut my hairB have my hair cut C have cut my hair D cut me my hair She's my She's not my she's my bra she's having my she cut the chicken into a few s( ) I cut my knee.It hurts.hurt为什么加s two of the strings 和a relative of the patient 为什么都不加’s?不都是a friend of my farther‘s 为什么这两个最后都不加一撇s呢? She's my little sister. She's my S____ Mary 1.she's my f____teacher. She's pushing my patience.