-What __________ you __________ at 6:00 yesterday evening?-I was watching TV with my parents.A. did, do B. were, doing C. are, doingD did doing
—— How does Jack usually go to school? —— He ________ ride a bike, but now he is used to ______ there.
You should _______ the bus when it stops.
We really don’t know ________ . Could you help us?
—— I think running is an easy way to keep healthy. —— __________ , but Bill doesn’t think so.
Don’t forget _________ your bed after you get up.