The teacher together with the students ________ discussing Reading Skills that ________ newly published in America .

The skirt looks different from the others and it’s really nice.– Thanks. It ________ by my mother last month.

The pair of shoes look nice. Can I _____— Sure.

Without electronic computers，much of today’s advanced technology________.[ ]

In the past he was often ________, but in recent years he ________ his living by doing business with local traders.[ ]