— Lily is a happy girl, but today she seems in a bad mood.
— Something ________ to her.
| A．must happen | B．should have happened |
| C．could have happened | D．must have happened |
推荐试卷
— Lily is a happy girl, but today she seems in a bad mood.
— Something ________ to her.
| A．must happen | B．should have happened |
| C．could have happened | D．must have happened |
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