网址：http://m.1010jiajiao.com/timu_id_1367796[举报]
“What’s this? ”“ ________. ”
A．It’s pen B．This is pen C．It’s a pen D．This is an pen
— What’s this?
— .
A．This is “M”
B．I’m “c”
C．It’s “F”
D．Thank you
--- What’s this?--- __________.
—What's this in English?
—It's ________ orange．
A．a B．an C．the D．／