三百四十万写作______,改写成用“万”作单位的数是______万.
三百四十万写作:3400000.
3400000=340万.
故答案为:3400000,340.
The old man told us _______ and ________.
A.to do what , to do how
B.what to do it, how to do it
C.what to do, how to do it
D.what to do , how to do
金銮殿jÿn luán diàn