I sent many Christmas cards to my friends.(变为一般疑问句) [] you [] many Christmas cards to [] []怎么看的出来是过去式啊》？

i sent many beautiful cards___my friends ____ e-mail.(介词填空） I sent eight p______ to my friends during Christmas last year ,and I received many from them. many birthday presents ___ him A.send B.send to C.were sent D.were sent to 1.I can't find my bicycle It must ___A steal B been stolen C have stolen D have been stolen2.Many birthday presents ___ himA.send B.send to C.were sent D.were sent to3.I didn' I sent many Christmas cards to my friends.(变为一般疑问句) [] you [] many Christmas cards to [] []怎么看的出来是过去式啊》？ I sent you a Maths And I sent you English I just wish this year it'llbe different,no more lonely christmas,i wanna fall in love this christma谁能帮我翻译一下呢 We sent many r＿ into space last year.RT I,sent,you,have,E-mail,an 已经寄出是不是I have sent sth. christmas is a popular holiday in the western countries.people like it very much.B_____christmas,people are busy doing shopping.Many familes have christma t_______in their home.AT that time,you can hear chris m______hereand there.people usually have christmas is a popular holiday in the western countries.people like it very much.B_____christmas,people are busy doing shopping.Many familes have christma t_______in their home.AT that time,you can hear chris m______hereand there.people usually have He has sent many cards to his friends. many cards划线提问 many books____（send）to school since then为什么不写have been sent,而写had been sent 两个英语单词填空按首字母My brothe invited many g（ ） to his birthday party.2.The boy hurt badly and his father sent him to a hospital i( ) 高一英语：把下列句子变成被动语态1. they have sent for a famous doctor. 2. we have built many factories in the development zone. 3. china has brought in much advanced technology and foreign money to develop her economy. 4. I have sent how many messages have you sent?可以改成 how many have you sent messages?如题,语法有错误吗,意思一样吗 how many message have sent?可以把have改成did吗 打错了 应该是how many messages have you sent?可以把have改成did吗