Question

the moderm student (a)___ the important (b) physical exercise .he spend one to two hours in open air
(a) 1.understood
2.understand
3.have understand
4.understand

(b) 1.of
2.by
3.from
4.with​

Answer 1

(a) Understand

(b) From... that's ur answer........

Answer 2

Answer:

a- understands

b-of

that is your answer