I called you yesterday afternoon, but you were not at home.–Sorry, I _________ some shopping with my mother then .
He will be back_____3 days.[ ]
Do you think if we will go to the movie tomorrow?—I think we’ll go if we ___________ too much homework.
Did he study hard _______ his exams?[ ]
_____ do the students do after-school activities every day ? For more than one hour.[ ]