Ⅳ．1．B 2．B 3．A 4．C 5．A

Ⅴ．1．D 2．B 3．D 4．A 5．B 6．C 7．D 8．C 9．A 10．D 11．A 12．C 13．C 14．D 15．D

Ⅵ．1．to help 2．everyone 3．by 4．too, to 5．looked over 6．Did, enjoy 7．get dressed 8．How long 9．because 10．anything wrong

Ⅶ．l．Could, swim 2．taught, herself 3．Is, there, anything 4．is, there 5．When, could, ride 6．too, to, dress

Ⅷ．1．help, to 2．I'm, afraid, has, to 3．enjoyed, ourselves 4．listening, to 5．on, the, most, of, all

Ⅸ．1．don't 2．matter 3．hear 4．better 5．see 6．Open 7．wrong 8．much 9．in 10．all

Ⅹ．1．D 2．C 3．C 4．D 5．C

Ⅺ．1．A 2．B 3．A 4．D 5．A 6．B 7．D 8．C 9．B 10．D