Not until _______ home _______ her appointment with the doctor.
| A．she arrived; did she remember | B．did she arrive; that she remember |
| C．she arrived; when she remembered | D．did she arrive; had she remembered |
We——last night, but we went to the concert instead
A must have studiedB might study
C should have studied D would study
Excuse me II was blocking your way.
| A． | didn't realize | B． | don't realize | C． | haven't realized | D． | wasn't realizing |
Barbara is easy to recognize as she's the only one of the women whoevening dress.
| A． | wear | B． | wears | C． | has worn | D． | have worn |
-Can I help you? Are you looking for anything in particular today?
-We're just looking.
| A． | Yes please | B． | No, thank you | C． | Yes ,you can | D． | No, you needn't |
--is it all right if I keep this photo?
--.
| A． | No .you don't | B． | No. it shouldn't | C． | I'm afraid not | D． | Don't keep it |