27.--There is a lot of smoke coming out of the teaching-building there. --Really? It be a fire, most probably. A.can B.ought to C.have to D.must 查看更多

 

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---There is a lot of smoke coming out of the teaching-building there.

---Really?It ________ be a fire, most probably.


  1. A.
    can
  2. B.
    ought to
  3. C.
    have to
  4. D.
    must

查看答案和解析>>

-There is a lot of smoke coming out of the teaching building there.

-Really.It ________ be a fire, most probably.

[  ]

A.can

B.ought to

C.have to

D.must

查看答案和解析>>

-There is a lot of smoke coming out of the teaching-building there.

-Really? It ________ be a fire, most probably.

[  ]

A.can

B.ought to

C.have to

D.must

查看答案和解析>>

-There is a lot of smoke coming out of the teaching-building there.

-Really?It ________ be a fire, most probably.

[  ]

A.can

B.ought to

C.have to

D.must

查看答案和解析>>

-There is a lot of smoke coming out of the teaching-building there.

-Really?It ________ be a fire, most probably.

[  ]

A.can

B.ought to

C.have to

D.must

查看答案和解析>>


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