. ______ is to attend our evening.
A teacher of English and class teacher _______ us something about volunteer workers.
It every day so far this month. I can't tell you if it tomorrow.
A student of Fudan University ___ Huang Yang, was reported ____ by his roommate, ______ the whole nation.
---Jack, you erase the blackboard today, __________? ---But I did it yesterday.
Considering your income, you should be able to ______ at least twenty dollars a week.