1．—I will treat you to a big meal another day．
—Oh, ! You cannot be serious．
A． go ahead B． thank you C． come on D． please don't
2． Gangnam Style is ．more popular one of two songs
A．不填：the B．不填：不填 C．the; the D．the:不填
3． —Sorry, I didn't catch you．
—Be quiet, please; the baby .
A． was sleeping B． is sleeping C． slept D． has slept
