“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
He _______ busy yesterday, or he _______ you with your experiment.
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.