Do you mind lending me some money I left my purse at home this morning.—__________. Here is one hundred yuan.

The students were singing an English song _______ Mr. Xiang came into the classroom.

Had I known about this computer program, a huge amount of time and energy _____. [ ]

ProfessorWilliams keeps telling his students that the future tothe well-educated.

David apologized for _______ to inform me of thechange in the plan.