Question

While typing, Helen has a habit of stopping ______ to give her long and flowing hair a smooth.

   A. now and then  B. over and over        C. up and down      D. here and there

 

Answer 1

【答案】

Ａ

【解析】词义辨析。Ａ时而不时；Ｂ一再；Ｃ上上下下；Ｄ到处。结合句意可知Ａ正确。句意：在打字的时候，Ｈｅｌｅｎ有时而不时停下来的习惯，让长长的头发顺下来。