The street was too noisy and we couldn’t _______ the singer clearly.

It’s kind ______them to give away money to UNICEF. It’s important _________ them to helppoor children go to school.

Americans eatvegetables per person today ______as they did in 1910.

Can you think of another good idea?—This is the best approach I can imagine ______ the work ahead of schedule.

Teachers should _____ fundamentals and difficult points in order to enable students toacquire newmaterial. [ ]