The zoo will have to close ________ the local government agrees to give extra money.
| A．until | B．when | C．unless | D．if |
Every time __________ I called on him，he was very busy.
| A．during | B．when |
| C．in which | D．/ |
It took __________ building supplies to construct these energysaving houses.It took brains，too
| A．other than | B．more than |
| C．rather than | D．less than |
__________ we could afford it，we wouldn’t go abroad for our holiday.
| A．As if | B．As though |
| C．Even though | D．Even so |
I wish I __________ able to tell him all about it last night.
| A．should be | B．were |
| C．had been | D．was |
He got very __________ with me because of my outspoken comments.
| A．annoying | B．annoyed |
| C．satisfying | D．satisfied |