title VARCHAR(200) *

questions TEXT * [{"tag":"an 元音音素单词","text":"I have _____ apple and some grapes in my bag.","options":["a","an","the","/"],"correct":1,"explain":"apple以元音音素开头，单数可数名词初次出现用an。"},{"tag":"a 辅音音素单词","text":"This is _____ cute cat under the tree.","options":["a","an","the","/"],"correct":0,"explain":"cute辅音音素开头，第一次介绍单数物品用a。"},{"tag":"an hour特殊发音","text":"We need to wait for _____ hour for the bus.","options":["a","an","the","/"],"correct":1,"explain":"hour首字母h不发音，元音音素开头，用an。"},{"tag":"the 天体","text":"_____ sun shines bright in summer.","options":["A","An","The","/"],"correct":2,"explain":"sun是独一无二天体，前面必须加the。"},{"tag":"the 乐器","text":"My brother can play _____ guitar.","options":["a","an","the","/"],"correct":2,"explain":"乐器名词前固定搭配加the。"},{"tag":"零冠词 球类","text":"They play _____ football every Friday.","options":["a","an","the","/"],"correct":3,"explain":"球类运动名词前不加冠词。"},{"tag":"零冠词 棋类","text":"Grandpa likes playing _____ chess after supper.","options":["a","an","the","/"],"correct":3,"explain":"棋类单词chess前不用冠词。"},{"tag":"零冠词 三餐","text":"We have _____ breakfast at seven thirty.","options":["a","an","the","/"],"correct":3,"explain":"泛指一日三餐，前面不加冠词。"},{"tag":"零冠词 by交通工具","text":"My mother goes to work by _____ bike.","options":["a","an","the","/"],"correct":3,"explain":"by加交通工具，中间无冠词。"},{"tag":"零冠词 星期","text":"We will go shopping on _____ Saturday.","options":["a","an","the","/"],"correct":3,"explain":"星期几前面不加冠词。"},{"tag":"the 上文再次提及","text":"I see a bird. _____ bird is yellow.","options":["A","An","The","/"],"correct":2,"explain":"前文提到的事物，再次指代用the。"},{"tag":"the 序数词","text":"Today is _____ second day of our holiday.","options":["a","an","the","/"],"correct":2,"explain":"序数词前面必须使用定冠词the。"},{"tag":"the 形容词最高级","text":"This is _____ smallest box in the room.","options":["a","an","the","/"],"correct":2,"explain":"形容词最高级前固定加the。"},{"tag":"the 江河专有名词","text":"_____ Yellow River is long.","options":["A","An","The","/"],"correct":2,"explain":"江河湖海专有名词前加the。"},{"tag":"the 姓氏一家人","text":"_____ Wangs live in that tall building.","options":["A","An","The","/"],"correct":2,"explain":"the加姓氏复数，表示一家人。"},{"tag":"零冠词 国家名","text":"_____ Canada is a big country.","options":["A","An","The","/"],"correct":3,"explain":"单个国家专有名词前不加the。"},{"tag":"零冠词 复数泛指","text":"_____ Cats like eating fish.","options":["A","An","The","/"],"correct":3,"explain":"复数名词泛指一类事物，不用冠词。"},{"tag":"the 特指桌上物品","text":"Pass me _____ ruler on the desk, please.","options":["a","an","the","/"],"correct":2,"explain":"特指双方都清楚的物品，用the。"},{"tag":"have an idea固定搭配","text":"I have _____ good idea for our trip.","options":["a","an","the","/"],"correct":1,"explain":"idea元音开头，固定短语have an idea。"},{"tag":"there be否定零冠词复数","text":"There aren't _____ books in the bag.","options":["a","an","the","/"],"correct":3,"explain":"any后接复数泛指名词，不加冠词。"}]

wrong_count INTEGER 默认: 0

total_count INTEGER 默认: 0