The course normally attracts 20 students per year, ________ up to half will be from over seas .

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The five-year-old boy often says what children ________ will say.

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A．twice his age

B．twice as old as his age

C．twice older than his age

D．twice age more than his

－What place is it?

－Haven't you seen that we ________ back where we ________?

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Was it in the hotel ________ they stayed ________ the teachers prepared this model exam paper?

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When they finished the work, they didn't think there was anything they could do ________ for the further orders.

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－The young man spent as much time as he ________ experiments.

－No wonder he succeeded ________.

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Why? Where's my passport? Maybe I left it on the plane.

My Goodness! You ________ things behind.

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It was in this very lab ________ was in the charge of Professor John ________ they did the experiment.

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It was not until he got to the office ________ he remembered ________ the key at home.

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No dictionary can ________ all the English idioms.

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