__ twice a year ,whether it is a car or a bus or a truck,is the rule that every driver must obey in

英语选择Professor Lee visits China almost __.​ A.twice a yearA.twice a year B.a twice year C.a year twice D.a year two times The students go out for a trip twice a year.对划线部分twice a year提问___ __ __ the students go out for a trip? twice a year 中twice的词性 twice a year的意思 once half year,twice a year The room must____(clean)twice a day.Sixteen-year-olds __(be)not allowed to drive.分别咋填? I visit them twice a year.twice划线提问 用一个单词表示twice a year 用一个单词表示twice a year __ twice a year ,whether it is a car or a bus or a truck,is the rule that every driver must obey in They have an English contest twice a year.对twice a year提问 1.Some cuntries in Africa habe experienced ___ this year as they did lset year.A.twice as much rain B.rain twice as muchC.as twice much rain D.twice rain as much答案是选A,为什么不选B2.What is the way George thought of __ enough money to buy __(a) eight-year-old How often have they been to Italy for a holiday?A Twice B Twice a year A:__ __do you _the dishes?B:Twice a week. 画线句提问We plant trees twice a year.twice 被画线 he has __ the courage she has.A.as twiceB.twiceC.twice as muchD.twice aswhy? There is __ milk in this bottle __ in that one.There is __ milk in this bottle __ in that one A.as twice; than B.twice as much; as C.as twice much as D.twice much ;than