—Mum，it’s late．Why are you still here？
—Dad hasn’t come back yet．I________for him．
A．am waiting
B．was waiting
C．waited
难度: 中等查看答案及解析
I don’t remember________the book yesterday．
A．where I put
B．where did I put
C．where will I put
D．where I will put
难度: 中等查看答案及解析
I________，but I didn’t________anything．
A．listened；listen
B．heard；hear
C．heard；listen
D．listened；hear
难度: 中等查看答案及解析
—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
难度: 中等查看答案及解析
She________TV at home when it began to rain．
A．watched
B．was watching
C．watches
D．is watching
难度: 中等查看答案及解析
That’s an important event________American history．
A．in
B．at
C．on
D．for
难度: 中等查看答案及解析
I remember________you sometime at the school gate last week．You are Mr.Chen．
A．meet
B．to meet
C．meeting
D．to meeting
难度: 中等查看答案及解析
She heard him the piano when she walked past his room．
A．plays
B．to play
C．playing
D．to playing
难度: 中等查看答案及解析
The event has________to most Americans．
A．mean
B．means
C．meaning
D．meanings
难度: 中等查看答案及解析