[考題] 時態

[happyradio2 (紅茶)]

考題：多益


題目：1.Althogh the factory doesn,t provide day care service for the employees,
        a new day care center_____nearby.
        (A)is built  (B)is being built (C)has built (D)had been built

        答案:(B)

      2.Those who want to attend the convention ____ required to pay the
        advance registration fee.
        (A)is   (B)are   (C)will be  (D)being

       答案:(B)

      3.Thank you for your letter dated April 22,addressed to Mr.Jackson,our
        Marketing Manager,for whom I _____.
        (A)have replied  (B)will reply  (C)am replying (D)replies

        答案:(C)

提問：1.why not (A)
      2.why not (C)
      3.I think (A)(B)(C) are all ok.


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→ priv:下次區分一下,和'吧
推 emia:1與2,看過旋元佑那本文法書,你就會有概念