Carl has breakfast at 7:30 am every day.

There is no doubt ______ smoking can seriously damage our health.

Where’s your Mom, Xiao Hong? ––She ____ to music in her room.

Are you going hiking next day off?. ——If you do,_________.

Do you know the nearest way to the science museum?—Sorry, I’m a stranger. This is the first time I _________ here.