how long have they done the jobs?
举一反三
- ________English? A: How long time are you studying B: How long do you study C: How long have you been studying D: How long time have you studied
- How long have Chris learned violin?
- （）have you been in this country A: How long B: How old C: How many
- My son's hair is too long; it wants ______. I'll have it ______ tomorrow. ( ) A: cutting… done B: cutting… to be done C: being cut… done D: to be cut… to be done
- How long does Jack have work experience?