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вставить правильно в вопрос
1. .................... your American cousin?
He`s thirteen.

a) How old has got
b) How old he is
c) How old is
d) How is
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2. Excuse me, .......................
Two pounds twenty-nine.

a) what is this book?
b) is this book very expensive?
c) how much is this book?
d) how much does this book cost?