She had been in the office for days before anyone spoke to h

She had been in the office for days before anyone spoke to h She had been in the office for days before that happened. I proposed to do them early in the morning before anyone had She said she had been to Dalian a year before Helen had left her keys in the office so she had to wait unt Helen had lost her keys in the office so she had to wait unt my mother was ill.She had to stay in ____ for tow days 10.Helen ___ her key in the office so she had to wait until 英语15.Helen _______ her keys in the office so she had to wait 16.Mrs Smith----- her keys in the office so she had to wait 一道语法题Helen _____ her key in the office so she had to wait un Helen _______ her keys in the office so she had to wait unti