我见你经常骑这辆蓝色自行车,你买了多久了?
I often see you ride this blue bike.How long it?
到目前为止,我们已经为考试做好了准备.
, we have been ready for the exam.
青少年应该被允许选择自己的爱好.
should be to choose their own hobbies.
I like a singer .(自己做曲的)(who)
I learn English .(听收音机)(listen)
The shoes ?(一定是她的)(be)