25.--- Shall we call on Frank tonight? ---We’d better not.He is said a lecture. A.preparing B.to be preparing C.to have prepared D.having prepared 【查看更多】

 

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--- Shall we call on Frank tonight?

---We’d better not. He is said ________ a lecture.

A.preparing

B.to be preparing

C.to have prepared

D.having prepared

 

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--- Shall we call on Frank tonight?
---We’d better not. He is said ________ a lecture.

A.preparingB.to be preparingC.to have preparedD.having prepared

查看答案和解析>>


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