Mr Black ___(leave) his keys in the office,so he had to wait
Mr Black ___(leave) his keys in the office,so he had to wait
Bob had left his keys in the office,so he had to wait until
Helen ( ) her keys in the office so she had to wait until he
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
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
Helen _______ her keys in the office so she had to wait unti
Helen___her keys in the office,so she had to wait until her
Helen _____ her keys in the office so she had to wait until
动词时态的Allen ____ her keys in the office.So she had to wait un
Mrs Smith____her keys in the office.so she had to wait until