细节
According to the writer, conflicts between husband and wife usually reflect _____.
According to the writer, conflicts between husband and wife usually reflect \_\_\_\__.
Parents and children often disagree about what is important or right because _____.
Parents and children often disagree about what is important or right because \_\_\_\__.
When many American parents don’t know how to deal with their children they seek advice from the following EXCEPT_____.
When many American parents don’t know how to deal with their children they seek advice from the following EXCEPT\_\_\_\__.
Ellsworth Huntington’s conclusion was based on _____.
Ellsworth Huntington’s conclusion was based on \_\_\_\__.
Where were shells used as money in history?
Where were shells used as money in history?