how often do you ___a bird count ---Twice a yearA.make B.do C.pro_英语解答

how often do you ___a bird count ---Twice a year
A.make B.do C.produce D.take

人气：347 ℃　时间：2020-02-05 23:29:39

解答

do.do a count表示清点.到底选哪个？选B！