The teacher often warns the boy ________ swim ________ in the sea because it’s dangerous．


  1. A.
    don’t; alone
  2. B.
    not; by himself
  3. C.
    not to; by himself
  4. D.
    not to; lonely
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科目：初中英語(yǔ) 來(lái)源：外研社七年級(jí)英語(yǔ)(上)練習(xí)題 題型：016

My mother is a teache in ________ university．

[　　]
A．

a

B．

an

C．

the

D．

/

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