Question

PRESENT CONTINUOUS
а.He plays/is plaing the violin an otchestra.
b.She waits/is waiting for the bus at the moment .
cThe police usally carry/are carrying guns.

Answer 1

a.He is playing the violin in orchestra .(Present Continuous)
b. She is waiting for the bus at the moment(Present Continuous)
c. The police usually carryguns ( Present Simple)