tìm từ thiếu:1.collide violently with an obstacle or vehicle _ _ _ _ _2.involving a speed greater than that of sound _ _ _ _ _ _ _ _ _ _3. each of a pair of foot-operated levers used for powering a bicycle _ _ _ _ _ 4. situated, occurring, or done beneath the surface of the water_ _ _ _ _ _ _ _ _ _. 5. a person who operates the flying controls of an aircraft_ _ _ _ _
ĐÁP ÁN:
tìm từ thiếu:
1.collide violently with an obstacle or vehicle crash. 2.involving a speed greater than that of sound supersonic 3. each of a pair of foot-operated levers used for powering a bicycle pedal 4. situated, occurring, or done beneath the surface of the water subsurface. 5. a person who operates the flying controls of an aircraft pilot.
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$1$. crash
$2$. supersonic
$3$. pedal
$4$. subsurface
$5$. pilot