問題詳情：
句型轉換。
1. Helen’s room number is 7391.（對劃線部分提問）
________ __________ Helen’s room number?
2. My pencils are in the box. （對劃線部分提問）
______ are _______ pencils?
3. This is a dictionary. (改為複數句)
______ are _____________.
4. The math class is at 10:00 a.m.. （對劃線部分提問）
________ _________ the math class?
5. The blue T-shirt is only ten yuan. （對劃線部分提問）
_______ _______ is the blue T-shirt.
【回答】
1. What is 2. Where are
3. These dictionaries
4. When is 5. How much
知識點：句型轉換
題型：未分類
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