一Middle school students don’t know much about shopping online, _______ they?一 _______. It’s very popu]ar with teenagers.
—________ did she do last night? —She studied math(数学).
—When ________ Jessy ________ to New York? —Yesterday.
—When ________ you ________ to learn to skate? —Five years ago.
Ten minutes ago,there ________ an eraser,a pen and some books on the desk. A.was B.were C.is
—What did you do yesterday evening,Gina? —I ________ Titanic 3D in the City Cinema.