题文
— Why isn't Cathy here yet?
— She ______ to be picked up at the station.
| A．could wait | B．must wait | C．might be waiting | D．can be waiting |
推荐试卷
— Why isn't Cathy here yet?
— She ______ to be picked up at the station.
| A．could wait | B．must wait | C．might be waiting | D．can be waiting |
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