DO YOU KNOW .,,.,...,.,...
26. Do you know .,,.,...,.,...?
A. how old is the earth
B. how old was the earth
C. how old the earth is ' ,
D. how old the earth was
26. Do you know .,,.,...,.,...?
A. how old is the earth
B. how old was the earth
C. how old the earth is ' ,
D. how old the earth was