Onhearinghismother’ssteps,out         withabigsmileonh...

問題詳情：

 On hearing his mother’s steps, out          with a big smile on his face.

  A. rushed the boy                       B. did the boy rush

C. the boy rushed                       D. the boy did rush

【回答】

A

知識點：倒裝與省略

題型：選擇題