—We can use QQ to talk with each other online.
—Really? Could you show me ______it?
A.what to do | B.how to do | C.when to do | D.why to do |
—We can use QQ to talk with each other online.
—Really? Could you show me ______it?
A.what to do | B.how to do | C.when to do | D.why to do |