英语There is__"u' and __ "f" in the word "fun" A:a;an B:an;a C:a;a D:an;an选哪一个,为什么?

英语There is__u' and __ f in the word fun A:a;an B:an;a C:a;a D:an;an选哪一个,为什么? There is__ sand__u in the word study There is__u and__ l in the word quilt.横线上应该填什么? what is__u in the word put pronounced.A,the B,aC,anD,/ There is__(nobody,somebody.anybody,everybody)knocking at the door,Go and see who it is 怎样填一些英语题?There is__ l and__u in the word ruler.（填a/an/the或不填）what is that?It is__x.(填a/an/the)it 的复数形式你们在讨论什么?（汉译英）__（not do）your homework in class.(完形填 So will u stand there and watch me burn There is_____u and ______r in the word hour. There is ()uand()sin the word useful. There is ( )uand ( )s in the word us there is ( )u and( )n in the word aunt There is ( ) u and ( ) r in the box.为什么? There is a U and anS in () use. There's ( )rand( )uin the word turn chocolate is very popular and it is__（many/much） Lt is__(amaze)that dinosaurs had wigs and could fly 英语：用“a、an、the”填空,不需要冠词的地方画上“/”There is ( )land ( )u in the word ruler. 为什么不是There is a (h) and an (u) in the word (hour).而是There's an (h) and a (u) in the word (hour).Thank you~