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 This book _____ Lucy’s. Look! Her name is on the book cover.

A. must be　　B. may be　　C. can’t be　　D. mustn’t be

This book ________ Lucy's. Look! Her name is on the book cover.

A. must be

B. may be

C. can't be

D. mustn't be

This book ________ Lucy's. Look! Her name is on the book cover.

A. must be

B. may be

C. can't be

D. mustn't be

This notebook         Lucy’s. Look, her name is on the book cover.

A. must be               B. might be

C. can’t be               D. mustn’t be