I’m sorry I didn’t answer your call because I ______ music.
listen to
listened to
was listening to
am listening to
—_____ do you usually go to school? —By bus.
-- Excuse me, where is the post office? --Go across the bridge, it’s on your left.
There are a lot of desks in the classroom
--May I borrow your English book? --Of course.
I like listening to music in my free time.