A. in troubleB. in a troubleC. in the troubleD. in trou……

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

单项选择题Zhang Liangying's new CD will（）next month.

A. come along
B. come up
C. come over
D. come out