--Good afternoon. Can I help you?--My bike is broken. I’d like to have it______, sir.
the project as planned, we’ll have to work two more hours a day.
You don’t need to make fancy foods to impress guests—it is something simple but good _____ will do.
The school has developed an online systemstudents can choose their own teachers.
We’d better stay here a little longerhe turns up unexpectedly.
---I’m sorry, but there is no smoking on this flight. ---Oh, I _____that. Sorry, I won’t again. A. don’t know B didn’t know C. won’t know D. haven’t known