— Excuse me. Is the library open all day?— . Only from 8 a.m. to 4 p.m..
The headmaster stopped ____ to me because there was a call for him.
We ____ to Nanjing next month.
Next time don’t forget ____ your son here.
I’m ___ I can’t go with you.
---Would you like to come? ---Thank you. ____, but I’m busy.