28. --Jane walked past me without greeting.
--She ________ you.
| A．can’t see | B．couldn’t see |
| C．can’t have seen | D．mustn’t have seen |
--- Did he notice you enter the room?
--- I don’t think so. He ______ to the radio with his eyes shut.
| A．listened | B．was listening |
| C．has listened | D．had listened |
--- Where do you think ______ he ______ the computer?
--- Sorry. I have no idea.
| A．has; bought | B．不填; bought |
| C．did; buy | D．不填; buys |
--- Alice came back home the day before yesterday.
--- Really? Where ______?
| A．has she been | B．had she been |
| C．has she gone | D．had she gone |
They won’t buy new clothes because they ______ money to buy a new house.
| A．save | B．are saving |
| C．have saved | D．were saving |
I can guess you were in a hurry. You ______ your sweater inside out.
| A．had worn | B．wore |
| C．were wearing | D．are wearing |