Bob... to the radio now. A) listens В) listen C) is listening
They have guitar lessons the... evening.
A ) in В) on C) at

Bob is listening to the radio now.

They have guitar lesson in the evening.

Объяснение:

Bob is listening to the radio now.

They have guitar lessons in the evening

Объяснение:

1 презеет континиус а если презен кон. то ing окончание и в зависимости от слова is ,are ,am

2 время morning ,evening и т.д. используется с "in the"