18．——would you like to go and see the film with me this evening?
——I am sorry, I can’t because I ________my homework.
| A．does | B．did | C．am doing | D．has done |
Help me out in the kitchen and I ________ you to some westernstyle food.
| A．treat | B．was treating |
| C．will treat | D．have treated |
________ for children, the album became popular with parents ________ it came out.
| A．Designed; when | B．Designed; immediately |
| C．To design; as soon as | D．Designing; as |
I admire my English teacher. I can remember very few occasions ________ she stopped working because of ill health.
| A．that | B．when | C．where | D．which |
—Did you know more about the mine accident?
—Oh，sorry，I had no idea. I ________ the Rescue Center now.
| A．will be phoning | B．am to phone |
| C．will phone | D．phone |
—________ you interrupt now? Can't you see I'm on the phone?
—Sorry Sir, but it's urgent.
| A．Can | B．Should | C．Would | D．Must |