Question

.3.Fill in the blanks using suitable words given below.(4marks)

Passenger airplanes mostly fly…… speeds less than……….sound.Airplanes…..

…….Canfly……..greaterspeedhavebeenbuilt.Thisis……….iftheyfly…………….

Speedsgreater………..the speed ofsound,fuel consumption increases enormously

Hints:which,of,at,because,at,the,than,at​

Answer 1

Answer:

in, the, are, very, why, in, in,