I wonder how he could __________ not handing in his maths exercises yesterday, for his maths teacher is always strict with his students.
I got home,I found I had left my jacket on the playground.
The sooner we students the new school life,the better it will be for our studies.
I must your promise you won’t be late again.
He divided the sweets the children who were divided three groups.
She always loses her way when she is out by herself because she has no of direction.