A. it B. one C. this D. that
单项选择题More than one third of the Chinese in the United States live in California,（）in San Francisco.
A. predominantly B. previously C. practically D. permanently
单项选择题We should help her when she is（）
A. in trouble B. in a trouble C. in the trouble D. in troubles
单项选择题Please show me（）to send an e-mail, John. It's the first time for me to do it.
A. how B. what C. when D. where
单项选择题（）is the population of the city
A. How many B. What C. How many people D. How much
单项选择题—Would you mind calling me back tomorrow again —（）.
A. Not at all B. You're welcome C. You're right D. Nice to meet you
