28.Once or twice I found myself __________ my own judgment.A.doubt B.doubted C.doubting D.to doubt

I shop once or twice a month 划线部分 once or twice a month 提问 i play football at once or twice a month Once or twice I found myself __________ my own judgment.. I don't know much about the city .I'ye been there( )A for only once or twice B for only once and twice C only once or twice D only once and twice 28.Once or twice I found myself __________ my own judgment.A.doubt B.doubted C.doubting D.to doubt Some students exercise once or twice a once or twice a week 中文意思 once or twice a week 造句 Once or twice I found myself __________ my own judgment.A.doubtB.doubtedC.doubtingD.to doubt The stadents exercise once or twice a week对once or twice提问 he goes to the movies once or twice a month 对once or twice提问 再对once or twice a month提问 some sudents exercise once or twice a week Few students _____ homework once or twice a week made a wrong turn once or twice什么歌? I even managed to giggle once or twice,much to the chagrin of the man能解释下much to 在此处的含义么？ they've been to New York twice ,or Los Angeles only once.[改病句]还有：he's driven a car ,or he has never ridden a horse before.i've eaten Chinese food ,or i've nenver been to China. The old man waters the flowers once or twice a day.(对划线部分提问）划线部分是once or twice a day. Once bitten,twice shy.