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
She________TV at home when it began to rain．
A．watched
B．was watching
C．watches
D．is watching
—What is she doing over there？
—She is waiting for her kid________home for dinner．
A．go
B．to go
C．going
D．to going
I________，but I didn’t________anything．
A．listened；listen
B．heard；hear
C．heard；listen
D．listened；hear
