－________ in the workshop, please stop it. －Sorry, I ________.

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A．Not smoking; am not sure

B．Don't smoke; have no idea

C．Smoking is not allowed; don't know

D．Smoking is forbidden; didn't know

－________, Uncle?

－I just want a cup of tea.

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－Morning, can I help you?

－Yes. ________ a pair of trousers.

－What about this pair? It's $20.

－Sorry. I don't have that much money on me. Please show me ________.

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A．I'm looking for; that one

B．I want to see; another

C．I want to buy; the other one

D．I'd like to buy; another pair

Joan: Can you pass me the potatoes? Mother: ________.

Mother: ________.

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A．Sorry, they are too heavy for me to carry

B．Sorry, they don't taste good

C．Don't you think they are delicious?

D．Don't you think you have had enough?

Jim: Could you please tell me whether the dining car is still open? Helen: ________.

Jim: Thank you.

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A．Never mind, it is still open

B．My pleasure, it is closed five minutes ago

C．I'm afraid it closed five minutes ago

D．I'm sorry, I don't know

－Would you mind my coming over and having a look at your new garden? My little son's curious about those roses you grow.

－________.You're welcome.

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－Excuse me, Mr. Green. ________.

－What's the matter, Alice?

－My mother's ill. I've to take care of her.

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A．Here's news for you

B．I come to ask you for some advice

C．I want to go home

D．I'd like to take a few days off

－I was so sure that our experiment was going to succeed, but something went wrong at the last moment.

－________, but don't give up.

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－________.

－No, I didn't know I had to buy one.

[　　]

A．Where's your ticket?

B．Did you bring any money?

C．Didn't you buy a ticket?

D．Why didn't you buy one for yourself?

－David, it's Frank. Do you have a few minutes? I need to see you.

－________. But I hope “a few minutes” don't turn into an hour.

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