His________( 先前的 ) attempts had been unsuccessful. 2. We promise to offer free________( 技术 )support for those buying our software. 3. There are _________( 多种多样的 ) of fruits in the garden. 4. I used to get ________ ( 取笑 )about my big front teeth by the naughty boys in my class. 5. She _________ ( 被绊倒 )over the carpet and fell. 6. He let out a _________( 嚎叫,吼叫 ) of anguish. 7. The kids were a______by my funny drawings and began to laugh. 8. The public gathered to m______ for the victims who died in the 7.23 bullet train crash. 9. The autumn in Beijing is the best season when red leaves on maple trees, persimmon trees and yellow foliage on ginkgo and red ashes will bring you a great v_______ feats. 10. Tu Youyou, a scientist at the China a ________of Chinese Medical Sciences in Beijing, wins Lasker Award for the discovery of anti-malaria drug.