He have come here yesterday, he?
She doesn't know _________________ made her daughter so sad this morning.
Only when __________________ permission _______________ allowed to enter the lab.
—Will you be able to finish your work today ? —________.
---Are you going to the cinema this evening? ----No, the ticket is _____ for us.
---How is your plan getting along? ----I can’t carry on _____ any longer. Someone must help me.