Question

Q14. John doesn't need a calculator. He
do sums in his head.
could
can
should
O may
​

Answer 1

Answer:

can is ur  answer

hoping that this helps u

Answer 2

Answer : cancan

Explaination : can is the answer because it means to be able to do something or to be permitted to do something and this sentence John is smart enough to be able to solve sums in his head so can is suitable.