A cook will be immediately fired if he is found ________in the kitchen.

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The boy watched ________what his father was doing.

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My teacher suggested that I ________ to English teaching program on the radio every day.

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Why do you want a new job ________you've got such a good one already?

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Mr Smith said the trip was dangerous. But Mr Green thought it ________though a little dangerous.

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________ in the newspaper that some Japanese friends will visit our school next week.

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He paid the boy $10 for washing ten windows, most of ________hadn't been cleaned for at least a year.

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While hurrying home before the storm, ________.

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A．it happened that Ann's bike broke down

B．the storm caught Ann

C．the bike of Ann broke down

D．Ann had an accident on bike

It wasn't long ________he fully realized that I could help him, but the chance had gone.

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Do you feel any better after taking this exercise?

No, no, ________.

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