It makes me ______ angry. [ ]
A. kinds of
B. a kind of
C. kind of
D. all kinds of
C
---_________________
---Thank you. I certainly will.
A.Happy New Year to you!
B.Don’t forget to post the letter!
C.May I help you?
D.Please remember me to your family.
按要求把下面各数改写成以“亿”或“万”作单位的数,再保留一位小数.
7865840=______万≈______万
4085900000=______亿≈______亿
594000000=______亿≈______亿.