问题补充:
单选题Thebabyisgenerallyhealthy,buteverynowandthenhe______acold.A.has caughtB.is catchingC.will catchD.does catch
答案:
D解析every now and then意为“有时,偶尔”,应与一般现在时连用。does表示强调。
时间:2019-01-08 05:20:14
单选题Thebabyisgenerallyhealthy,buteverynowandthenhe______acold.A.has caughtB.is catchingC.will catchD.does catch
D解析every now and then意为“有时,偶尔”,应与一般现在时连用。does表示强调。