My mother________while my father________TV.
A.cooked；was watching
B.was cooking；was watching
C.was cooked；watched
D.cooked；watched
—I called you at 8:00 yesterday evening，but there was no answer.
—Oh，I’m sorry.I________dinner at my friend’s house.
A.have
B.had
C.was having
D.have had
The event has________to most Americans．
A．mean
B．means
C．meaning
D．meanings
She heard him the piano when she walked past his room．
A．plays
B．to play
C．playing
D．to playing
I remember________you sometime at the school gate last week．You are Mr.Chen．
A．meet
B．to meet
C．meeting
D．to meeting
That’s an important event________American history．
A．in
B．at
C．on
D．for
