This is an _____(move) box,you can move it there.用括号中词的适当形式填空

What's this?This is _____N.A.a B.an C./ 选择哪一个?为什么? This is _____ first lesson.A.a B.an C.my D.this说明原因- - Is this an egg? this is an easy this is an Is this an eye? Is this an umbrella this is an Is this _____ A)hamburgers B)your an orange C)a potatoIs this _____ A)hamburgersB)your an orange C)a potato This is an _____(important)song.We don't sing it now. This is _____ (so) an interesting story用所给词的适当形式填空 This is _____ interesting film I saw it twice.A.such B.so C.such an D.so an What's this?-It is _____.A.an ID card B.a orange C.ruler D.an UFO 英语翻译This tree is _____ _____ _____ _____ that one. This is _____(she)bike this is tom _____(speak) This bicycle is _____(cheap) Is this _____ (you) book?