Mrs. White became a teacher in 1985. She _____ for twenty years by next summer.

A. will teach    B. would have taught    C. has been teaching    D. will have been teaching

Mrs. White became a teacher in 1985. She _____ for twenty years by next summer.

A. will teach    B. would have taught    C. has been teaching    D. will have been teaching

Mrs. White became a teacher in 1985. She _____ for twenty years by next summer.

A. will teach    B. would have taught    C. has been teaching    D. will have been teaching

Mrs. White became a teacher in 1985. She _____ for twenty years by next summer.

1. A.
   will teach
2. B.
   would have taught
3. C.
   has been teaching
4. D.
   will have been teaching

Mrs. White became a teacher in 1985.She        for twenty years by next summer.   

A．will teach                                              B．would have taught 

C．has been teaching                                  D．will have been teaching 

Mrs. White became a teacher in 1985.She        for twenty years by next summer.

A．will teach                                                   B．would have taught

C．has been teaching                           D．will have been teaching

 Mrs. White became a teacher in 1985.She for twenty years by next summer.  

A. will teach                        B. would have taught

C. has been teaching                 D. will have been teaching

Mrs. White became a teacher in 1985. She ________ for twenty years by next summer.

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