________ he stops driving himself like this, he'll have a breakdown.
| A．Until | B．Once |
| C．Since | D．Unless |
I________there would be a football match on Channel 8 tomato
| A．will tell | B．have told | C．was told | D．will be told |
The librarian told me that the book______for two weeks.
| A．can be borrowed | B．can be kept | C．could be borrowed | D．could be kept |
When______this kind of computer _______?
| A．is; used | B．was; used | C．did; use | D．are; used |
The new computers_______to the village school as present last month.
| A．are given | B．given | C．were given | D．gave |
I really don’t know_______about it.
| A．what to do | B．how to do | C．to do what | D．how can I do |