--- Middle school students hardly know anything about shopping online, ____ they?
--- ________. It’s very popular with teenagers.
A.do; No | B.do; Yes | C.don’t; No | D.don’t; Yes |
--- Middle school students hardly know anything about shopping online, ____ they?
--- ________. It’s very popular with teenagers.
A.do; No | B.do; Yes | C.don’t; No | D.don’t; Yes |