—I wonder why Mr Green hasn't showed up at the meeting yet.
—I'm not sure，but he________in a traffic jam driving here.
| A．could be stuck | B．might have been stuck |
| C．might be stuck | D．must have been stuck |
推荐试卷
—I wonder why Mr Green hasn't showed up at the meeting yet.
—I'm not sure，but he________in a traffic jam driving here.
| A．could be stuck | B．might have been stuck |
| C．might be stuck | D．must have been stuck |
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