Question

----- _________ do you see your grandmother ?      ------ Once a month.

A．How much

B．How long

C．How soon

D．How often

Answer 1

D

试题分析：句意：你多久看一次你奶奶？一月一次。根据答语可知，本空是问频率的，故用how often。所以本题选D。