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3. _______flying is more expensive than land and sea travel, I went there by air to save time.

  A. If                                B. As              C. Even though        D. In case

_______flying is more expensive than land and sea travel, I went there by air to save time.

  A. If                                B. As              C. Even though        D. In case

       flying is more expensive than land and sea travel, I went there by air to save time.

  A. If                                            B. As              C. Even though        D. In case

_________ flying is more expensive than land and sea travel, I went there by air to save time．

A．Even though            B．If        C．As        D．In case

        flying is more expensive than land and sea travel, I went there by air to save time.

  A. If                                B. As              C. Even though        D. In case

 
3. _______flying is more expensive than land and sea travel, I went there by air to save time.

_______flying is more expensive than land and sea travel, I went there by air to save time.