• 2022-06-04
    Special care must be taken in checking the seat belts of certain types of passengers, especially the elderly, handicapped passengers and others.
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    内容

    • 0

      Passengers could () the seat to be more relaxed and comfortable.

    • 1

      When the airplane takes off , the passengers are told to _______ their seat belts.

    • 2

      We must take care of our parents when they are old. ---- Our parents ______ when they are old. A: must be taken care B: must be took cars C: must take care of D: must be taken care of

    • 3

      Before the flight takes off, all the passengers are asked to (fast) ______ their seat belts.

    • 4

      中国大学MOOC: All the passengers _____ board the plane should fasten their seat belts.