There ____four cartons of milk in my desk.A. is B.are C.have

There ____four cartons of milk in my desk.A. is B.are C.have There are plenty of books in our library .You can ____four at a time ____the chair ____four legs? ____four years since I joined the army.A.There was B.There is C.It is D.It was 请问选哪个? 求教一道英语单项选择题.____four years since I joined the Army.A、There wasB、There isC、It wasD、It it为什么不是C呢?joined the Army应该是过去才对.但是.难以理解,求教.D选项是it is，打错了。 ___ ___are they in?They are in ____Two ,____Four 用class或lesson的适当形式完成下列句子1 Mr li giving a chinese____to his students now2 ____Four is very easy .i can read it by myself3 you shouldn一撇t eat the hamburgers in____4 jack is in ____2,grade 55 good afternoon_____6 there are Cards and rules packed into assembled tuckbox,box should be shrink-wrapped,bulk packed into carto li lei has ____four hours to practise playing the violinli lei has ____four hours to practise playing the violina.cost b.taken c.paid d.spent 时间前的介词 用法We play games ____four Firdays after class. have 和 has 的用法、Cats ____four legs Dogs____two ears 这两处应该用have吧? my brother is going to study in japan ____four years为何用for请说明 Look at the desk ____four legs.A.with B.has C .for D.be how did mr .jones get to the cinema?救命啊at 10 o'clockto mrs,jonesby carto the grand theater I have lived in Beijing for four years.同义句子I have lived in Beijing ____four years_____. i have got three apples,but Linda ____four apples是填has got还是hasn't got 完形填空：we all live in the house ____four or five rooms.a:and b:with c:or 英语：填is或has got(填空）The box____very heavy.His bag ____too small.It ____four wheel.He ___a now book.The green one ___two pockets.