--- How long do you think it will be _____ China sends a manned spaceship to the moon? --- Perhaps two or three years.
A: when
B: until
C: that
D: before
A: when
B: until
C: that
D: before
举一反三
- --- How long do you think it will be _____ China sends a manned spaceship to the moon?--- Perhaps two or three years.
- – How long have you known the doctor ?– ____he helped me three years ago. A: When B: Before C: Because D: Since
- __________ do you think it will be before the new building is completed? A: How long B: How often C: How soon D: How far
- M: You are a good piano player. How long have you been playingW: For a year, What about youM: Oh, I’ve been playing for about two years, but I’m still not very good. How long has the man playing piano() A: About one year. B: About two years. C: About three years.
- How many years have the woman been working in A: Two years. B: Three years. C: Five years. D: Eight years.