1 . ______________ (conserve) the natural habitat of the giant panda, a series of measures have been taken recently. (所给词的适当形式填空)

2 . The league serves as a platform for the performing arts and was set up ______ (promote) cultural exchanges between China and other countries. （所给词的适当形式填空）

3 . _______(accept) as an Olympic event, a sport must be played in at least 75 countries on at least 4 continents. (所给词的适当形式填空)

4 . Our English teacher is very humorous and often tells jokes ____________ (entertain) her students. （所给词的适当形式填空）

5 . Joe is proud and stubborn, never ______ (admit) he is wrong and always looking for someone else ______ (blame). (所给词的适当形式填空)

6 . ________(solve) this problem, our company put out the household robot designed to take care of old people.（所给词的适当形式填空）

7 . His team planned to use the rice ________(transform) 6.7 million hectares of saline-alkali land in China over the next eight to 10 years. (用所给单词的适当形式填空)

8 . The program is designed ______（help）people who have been out of work for a long time. (所给词的适当形式填空)

9 . You should take time__________(reflect) on everything before doing important things. (所给词的适当形式填空)

10 . The project calls for strong will and practical actions ________ (promote) the conservation and sustainable use of wetlands. （所给词的适当形式填空）