1.The audience were impressed with /by her speech so they decided to support her election campaign.
2.It's estimated that it will take a native English speaker 2,200 hours to reach professional fluency (fluent) in Chinese.
3.This knowledge carries over in their attitude to/towards their future relationships.
4.I didn't make his failure public to avoid seeing his embarrassed (embarrass)look.
5.The aroundtheworld flight is divided into 17 parts, and the longest and most difficult part is from Nagoya to Kalaeloa.
6.Amazed (amaze), she stood and stared while the police arrested her husband.
7.I've made a few small corrections (correct) to your report.
8.Then, covering (cover) her face with her hands, she broke away and ran quickly up the stairs.
9.Greater efforts are needed to instruct children in road safety.
10.Robert was praised by the head teacher for his good behaviour (behave) at school.