_____ number of students in our class is 59.___ number of them get to school by bus.
You’d better ______________ out, Jim. It’s raining hard.
We had no choices _____________ home, for the last bus went before we arrived.
The teacher showed us ______________ the problem.
-- It’s dangerous to walk across the street carelessly. --You’re right. We can’t be ________ careful while crossing the street.
If we don’t study hard, we will in our class.