You don' t know ________ I want to see you again. It' s a year since I last saw you.

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－Can you guess if they ________ spoken English with us?

－I think they'll do if they ________ free.

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We don’t know when the school ________.

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The physics teacher said that light ________ much faster than sound.

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His father ________ a Party member for 20 years.

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—I’m not going shopping this afternoon.

—________. I want to do some washing at home.

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Do you know what time ________?

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A．does the train leave

B．the train will leave

C．does the train leaves

D．will the train leave

You must stop ________ the teacher when class begins.

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I will tell him the news as soon as he ________ back.

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The train ________ by the time we ________.

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