摘要：23．The conference a full week by the time it ends. A．must have lasted B．would have lasted C．will have lasted D．has lasted
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The conference _________ a full week by the time it ends．
- A.must have lasted
- B.will have lasted
- C.would last
- D.has lasted
The conference ________ a full week by the time it ends.
[ ]
A．must have lasted
B．will have lasted
C．would last
D．has lasted
The conference ________ a full week by the time it ends.
[ ]
A．must have lasted
B．will have lasted
C．would last
D．has lasted