Unit 10 By the time I got outside，
the bus had already left.
1.Had they g________ up by the time I came back home?
2.I was late for school because I o________ this morning.
3.Don’t forget to l________ the door when you leave.
4.Did you see who ________ (打破) the window?
5.They are going to ________ (奔) up the stairs.
1.He told me he ________ (fly) to Hainan three times before.
2.Before Sonia became a teacher, she ________ (be) a nurse for two years.
3.I ________ (feel) very tired when I got home, so I ________ (go) to bed soon.
4.I forgot ________ (meet) him in Beijing 3 years ago. But he still remembers me.
5.The bus ________ (break) down halfway, so I had to walk to school yesterday.
( )1.—Sorry, Mr.Green.I ________ my English book at home.
—That’s OK, but don’t forget next time.
( )2.By the time my mother returned from morning exercise, I ________ on the way to school.
A.was B.had been
C.has been D.am
( )3.When they arrived at the station, the bus ________ already ________ for ten minutes.
A.has; left B.had; left
C.had; been away D.has; been away
( )4.—How was your yesterday’s exam?
—Too bad. ________ I got to school, it had already started.
A.By time B.At time
C.By the time D.At the time