You are so __________ your car.
| A．silly not have locked |
| B．silly not to have lock |
| C．silly not to have locked |
| D．silly not to lock |
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 |
Your shoes_______. You’d better come to get them in half an hour.
| A．are mending | B．have mended | C．are being mended | D．have been mended |
Though he had often made his little sister______,today he was made____by her.
| A．cry; to cry | B．crying; crying | C．cry; cry | D．to cry; cry |
When_____the accident________?
| A．was; happened | B．has; happened | C．was happebeing | D．did; happen |