一Middle school students don’t know much about shopping online, _______ they?
一 _______. It’s very popu]ar with teenagers.
A.do;No | B.do; Yes |
C.don’t; NO | D.don’t; Yes |
一Middle school students don’t know much about shopping online, _______ they?
一 _______. It’s very popu]ar with teenagers.
A.do;No | B.do; Yes |
C.don’t; NO | D.don’t; Yes |