Not until ________ the Internet ________ that the Chinese sailors were rescued by the European Union Task Force.
| A．did I surf; did I know | B．did I surf; I knew |
| C．I surfed; did I know | D．I surfed; I had know |
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Not until ________ the Internet ________ that the Chinese sailors were rescued by the European Union Task Force.
| A．did I surf; did I know | B．did I surf; I knew |
| C．I surfed; did I know | D．I surfed; I had know |
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