.I wonder how he could __________ not handing in his maths exercises yesterday, for his maths teacher is always strict with his students.
If you want to borrow a football after school, your student ____ here.
Since she is angry, we ____ her alone.
. At that time she ___ sit here like that for hours.
Jack, don’t worry. You ____ get the textbook tomorrow.
The travel costs ____ 2,000 dollars.