---Bear in mind that you won't be able to cancel the contract ____you've signed.

  --- I _____.

   A. unless; do   B.since; will     C. once; will     D. after; have

---Bear in mind that you won't be able to cancel the contract ____you've signed.

  --- I _____.

   A. unless; do   B.since; will     C. once; will     D. after; have

Bear in ______ that tomorrow is our dear mother’s birthday.

Bear in _____ that tomorrow is our dear mother’s birthday．

Bear in ______ that tomorrow is our dear mother’s birthday.

A. mind                                 B. head                                 C. memory                           D. heart