8.(★★★★)Charles and Linda Mason do all of these things as well as climbed building.

7.(★★★★★)He said it was best to stay until help arrived rather than to go into the forest and get lost.

6.(★★★★)Day after day we see its light and feel its warm.

5.(★★★)A seeing-eye dog is a special dog that helps blind people walk along the streets and doing many other things.

4.(★★★★)The full preparations if you make, the surer of success you’ll certainly be.

3.(★★★)She’s famous not only in the United States but also on abroad.

2.(★★★★)Go down to the shop and to buy a mouse-trap , but don’t tell anyone what it is for!

1.(★★★★)The Indians of the Southwestern United States are famous for their beautiful art work, especially hand made jewelry cast in silver, carved out of stones, or decorate with beads and feathers.

2.平行结构经常借助于并列连词and, but, or或连词词组not only…but also…, not…but…, either…or…,neither…nor…, as well as 等。

●歼灭难点训练

1.动词与动词平行、形容词与形容词平行、分词与分词平行、不定式与不定式平行、短语与短语平行。