It was ________ great shock to the world that two aeroplanes crashed into ________ World Trade Centre in New York on September 11^th, 2001.

1. A.
   a; \
2. B.
   a; the
3. C.
   the; the
4. D.
   \ ; the

It was ________ great shock to the world that two aeroplanes crashed into ________ World Trade Centre in New York on September 11^th, 2001.

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