—You __________ part in the party on time.
—Sorry, I was delayed by the accident.
| A．are supposed to take | B．have supposed to take |
| C．are supposed to have taken | D．supposed to take |
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—You __________ part in the party on time.
—Sorry, I was delayed by the accident.
| A．are supposed to take | B．have supposed to take |
| C．are supposed to have taken | D．supposed to take |
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