填空题 New buildings have been springing up everywhere in cities and towns since China began to carry out the opening-up ______.

填空题 These classes help members learn how to change their eating ______.

填空题 Waterfalls can be used to produce ______ power.

填空题 The good news got ______ from the audience.

填空题 It's a(n) ______ to sing "Jingle Bells" at Christmas.

填空题 In some way, he ______ several of his friends in the trouble.

填空题 In the end, he realized the ______ of foreign languages.

填空题 These factories will take every possible ______ to reduce pollution(减少污染).

填空题 Can you come to the party to ______ Jim's graduation?