Ride your bike carefully or you may get _______.

Those who want to say anything more _________ your hands and then_______ to speak.

I want to a teacher when I grow up.

Excuse me, is this seat taken_______. That man got his books and left a few minutes ago.

Mike, what did our monitor say just now?—Every student as well as teachers who are to visit the museum _____ asked to be at the school gate before 6:30 in the morning.