You ________ play football on the busy street. It’s dangerous.
A.needn’t B. don’t C. mustn’t
相关试题
选择你听到的正确答语。(15分)
( )（1）How many bananas do you have?
A．I have ten. B．I have four.
( )（2）Here's a big egg for you.
A．Thank you. B．No, thanks.
( )（3）Any more?
A．Thank you. B．No, thanks.
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