Question

Passengers aeroplanes mostly fly (a)_ _ _ _ _ _ speeds less than that of sound. Aeroplanes (b)_ _ _ _can fly

at greater speeds have been built. This is (c) _ __ _ _ _ _ if they fly at speeds greater (d) _ _ _ _ _the speed

of sound , (e) _ _ _ _ _ fuel consumption increases enormously.

a) (i) on (ii) at (iii) in (iv) by

b) (i)who (ii)what (iii) which (iv) whom

c) (i) as (ii)therefore (iii) because (iv) in d) (i)of (ii)than (iii) because (iv) by

e) (i) a (ii) the (iii) as (iv) because​

Answer 1

Answer:

a) (ii) at

b) (iii) which

c) (iii) because

d) (ii) than

e) (ii) the

Explanation:

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