--- Whose volleyball is it?
--- It ________ be Carla’s. She doesn’t like volleyball.
| A．can’t | B．might | C．could | D．must |
-----Could you tell me how long ________________?
------ About three days.
| A．does the sports meeting last |
| B．the sports meeting last |
| C．will the sports meeting last |
| D．the sports meeting will last |
I don't know when he . When he , I'll let you know.
| A．will come, will come | B．comes, comes |
| C．will come, comes | D．comes, will come |
—I would like you to talk about the Great Wall.
—I’m sorry, but ________ Jack ________ I have been there.
| A．either; or | B．neither; nor |
| C．both; and | D．not only; but also |
A report on history in our school next month.
| A．will give | B．will be given |
| C．has given | D．has been given |
Is this the factory __________ you visited the other day?
| A．that | B．where | C．in which | D．the one |