1the theft that happened in the museum last night has been videoed by a __camera
a hiden b hidden c hiding d hidding 说下选这个的理由
2nowadays more and more people use mp3 which is an ____music player ____walkmans
a electricity*instead b electric*instead of c electronic*replace d electronc*instead of
麻烦详细说一下这两个空的由来,我不太懂 .还有补充一下instead of和replace的区别
3my father will leave ____shanghai____beijing_____the evening of may 30
a /*for*on b /*to*on c from*to*on