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Oh, I'm afraid I didn' t cook very well. I'm glad you enjoyed it. Come again when you are free. It's not necessary for you to say so.
can’t mustn’t needn’t shouldn’t
might work must be working must work can be working
Oh, I'm afraid I didn' t cook very well. I'm glad you enjoyed it. Come again when you are free. It's not necessary for you to say so.
Oh, I’m afraid I didn’ t cook very well. I’m glad you enjoyed it. Come again when you are free. It’s not necessary for you to say so.
won’t you will he aren’t I is he
I’m Mr. Wang Mr. Wang is here This is Mr. Wang speaking Mr. Wang is calling
mustn’t may not can’t needn’t
don’t have to mustn’t can’t shouldn’t
mustn't needn't shouldn't
friendly to angry with proud of kind to
mustn’t needn’t shouldn’t can’t