101. This is____ ! You can’t be too careful enough of tomorrow’s meeting. A. serious ...

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you can’t you can can you can’t you

not until you’re eighteen can you until you’re eighteen that you can’t not until you’re eighteen that you can until you’re eighteen when you can’t

can she can’t she do you don’t you

can't you do you can you are you

can you can’t you do you don’t you

can I can't they can't you can they

not until you’re eighteen can you until you’re eighteen that you can’t not until you’re eighteen that you can until you’re eighteen when you can’t

No, I couldn’t Don’t ask me Thank you all the same Certainly. You can take the No. 101 bus

can’t can you can’t we can we

Can; can’t; can Can; can; can Can; can’t; can’t Can; can; can’t

do you don’t you can you can’t you

May, Yes, you may. May, No, you don’t. Can, No, you needn’t. Can, Yes, you can’t.

You’ll see it You can’t see it You can’t find it You can’t lose

Could; Yes, you can Can; Sorry, you couldn’t Could; Sorry, you can’t Can; Yes, you could

Yes，you can. Yes，pleasE.I want a t-shirt. No，you can't. Ok，here you arE.

serious separate necessary Senior

Yes ,I can No, I can’t Yes, you can No, you can’t

Need; must; mustn't May; mustn't; can't Can; can't; can't Must; needn't; can't

won’t open won’t be opened can’t open can’t be opened