The bike____last year.a.bought b.has been bought c.was bought d.had been bought.选哪个?我觉得是c,因为last year不是一个时间段,但答案是b,我就费解了~请问高手们为什么答案是b.thank

I can finally walk on the 30 hell yea. 英语翻译This love (Yea,yea,yea)(I gotta holla about my girl full of ‘’mazing’) [note:amazing?](Yea,yea,yea) Let’s do it ch’allYea,it’s really taking me from high-lowLet’s see,where should I begin?The club on Friday night yoJust havi yea high yea high 短文填词Yesterday,another student and I went to the airport to meet this yea yea same here Everlasting yea 啥意思? the world s greatest阿尔斯通 那个视频的音乐,谁能翻译下.yea,uh,yea uh,this is the world's greatest,yea uh,this is the world's greatesti am a mountaini am a tall treeoh,i am a swift wingsweeping the countryi am a riverdown in the valley 求R.Kelly的The World's Greatest要开速的 放空间的- -就剩30分了- -附带歌词Yea,uh,yea uh,this is the world's greatest,Yea uh,this is the world's greatestI am a mountainI am a tall treeOh,I am a swift wingSweeping the countryI am a rive have you read the article yet?yea i ___ it last night.a:have read ; b:read. The bike____last year.a.bought b.has been bought c.was bought d.had been bought.选哪个?我觉得是c,因为last year不是一个时间段,但答案是b,我就费解了~请问高手们为什么答案是b.thank What____fun the children are having!Yea.They are always happy when they play____chess togetherA./ ; / B.a;/ C.a;the D./;the 首字母开头写出正确的单词 the railway is still under c__and will be completed at the end of this yea Spring Festival starts ______the first day of the Chinese Lunar Yea A.with B.on C .at D.in选什么,理由 主动语态变被动语态 1.We found some jewels in a box 2.They will not paint the house again next yea ---Please don't run in the classroom!--___.A.Yea,please not B.Sorry,I won't C.not at all D.OK,thank you Let's wake up in the morning Let's go to bed at the night Let's make hay in the big sunshine Yea we'll make hay in the light 34.A survey _______ in 2002 by the Computer Security Institute,a private organization in the USA,showed that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous yea