Вставьте соответствующий глагол can , could или be able to.
1.He ...(not) work since his illness.
2.After I had tried for a few hours,I ... open the door and get out.
3.I ... see you next Monday at ten
4.They didn't come to the restaraunt.They ...(not) afford it.
5.When they came back from Paris they ... speak perfect French.
6.But have we really met before? I ... (not) remember where.
7.You ...(not) be serious in making such a proposition.
8.Before Jack ... protest Andrew went out of the room.
9.And now you ... get my carriage for me,John.
10.You ... (not) get that bracelet off ,unless you know where that spring is