--- We can use QQ to communicate with each other online.
--- Good. Will you please show me _______?
A.which to use | B.what to use | C.where to use it | D.how to use it |
--- We can use QQ to communicate with each other online.
--- Good. Will you please show me _______?
A.which to use | B.what to use | C.where to use it | D.how to use it |