My favourite sport is skiing. It’s __________than running.
—Is this book? —Yes,it’s English book. A.a;aB.a;anC.art;an
Please call Mary 386-2115. A.onB.at C.for
—Is it a pencil?—. A.Yes,it’s B.No,it isn’t C.No,it is
Please call tomorrow (明天). A.IB.me C.my
Is that ruler? A.sheB.herC.hers