8.A.speech B.living C.promise D.progress 查看更多

 

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The secretary worked late into the night, ________ a long speech for the president.

[  ]

A.to prepare
B.preparing
C.prepared
D.was preparing

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The secretary worked late into the night,________ a long speech for the president.

[  ]

A. to prepare
B. preparing
C. prepared
D. was preparing

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The secretary worked late into the night, ________ a long speech for the president.

[  ]

A.to prepare
B.preparing
C.prepared
D.preparing for

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The secretary worked late into the night, ________ a long speech for the president.

[  ]

A.to prepare
B.preparing
C.prepared
D.was preparing

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The secretary worked all night long, ________ a long speech for the president.

[  ]

A.to prepare
B.preparing
C.prepared
D.was preparing

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