Theoretically, a good screwdriver should last a lifetime, but it rarely___________, usually because it is used at one time or another as ___________ some other tool.
| A．should, a favor for | B．should, a lack of |
| C．does, a way of | D．does, a substitute for |
— We quarrelled with the tallest girl in your class about the broken table .
— How silly ! You ____ it to our headmaster .
| A．are going to tell | B．would have told |
| C．should have told | D．ought have told |
— When can I come for the photos ? I need them tomorrow afternoon .
— They ____ be ready by 12:00 .
| A．can | B．should | C．might | D．need |
“Can I get you a cup of tea ? ”“____”
| A．That''s very nice of you | B．With pleasure |
| C．You can , please | D．Thank you for the tea |
— I stayed at a hotel while in New York .
— Oh , did you ? You ____ with Barbara .
—
| A．could have stayed | B．could stay | C．would stay | D．must have stayed |
He ____ you more help even though he was very busy .
| A．might have given | B．might give | C．may have given | D．may give |