Your cousin is said ________ a new computer program recently, but do you know when he will finish it?
| A．to design | B．to be designing | C．to have been designing | D．to have designed |
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Your cousin is said ________ a new computer program recently, but do you know when he will finish it?
| A．to design | B．to be designing | C．to have been designing | D．to have designed |
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