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The companies are working together to create         they hope will be the best means of transport in the 21^st century.

   A. which           B. that            C. what          D. who

The companies are working together to create _____they hope will be the best means of transport in the 21st century.

A. which           B. that            C. what          D. Who

The companies are working together to create         they hope will be the best means of transport in the 21st century.

A. which           B. that            C. what          D. Who

The companies are working together to create _________ they hope will be the best means of transport in the 21st century.

A. which B. that

C. what   D. who

The companies are working together to create ______ they hope will be the best means of transport in the 21st century.

A. which           B. that            C. what          D. who

The companies are working together to create         they hope will be the best means of transport in the 21^st century.

A. which                             B. that                             C. what                                D. who

  The companies are working together to create         they hope will be the best means of transport in the 21^st century.

   A. which           B. that            C. what          D. who

The companies are working together to create ________ they hope will be the best means of transport in the 21st century．

A．what　　　B．which　　　C．that　　　D．it

The companies are working together to create _____ they hope will be the best means of transport in the 21st century.

The companies are working together to create  _____ they hope will be the best means of transport in the 21st century.