题目内容
( )3你想知道课桌上的书包是不1迈克的，你可以对他说：
a Is this your schoolbag, Mike? b It's on the desk, Mike.
( )4海伦把东西递给你，你应该对她说：
a Thank you, Helen. b It’s nice.
( )5你想表达“这不是我的直尺”,你可以说：
a Look at my ruler. It's new. b This isn't my ruler.
3a 4a 5b
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