【题目】At college, Barack Obama didn’t know that he the first black president of the United States of America.

【题目】It's very c(令人困惑的) for us to learn a new language.

【题目】 To my delight, I from hundreds of applicants to attend the opening ceremony.

【题目】Why are you______ a T-shirt? You’ll probably catch a cold in this cold weather

【题目】 I wasn't able to hide my eagerness when I ________, "What do you wish me to do now?"

【题目】 —Our uncle will be here to attend a meeting tomorrow, you know?

【题目】 ---____that he manage to get the information?

【题目】 Little about her own safety, though she was in great danger herself.

【题目】 Some of you may have finished unit one. _____, you can go on to unit two.

【题目】 Just in front of our house____with a history of l,000 years.