He built a telescope ________, he could study the skies.

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________ has been said above, grammar is a set of dead rules.

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John got beaten in the game, ________ had been expected.

[　　]

________ we know now, bats come out only at night.

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The amount of money ________ for the seriously sick child was soon collected.

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Choose the best answer which can complete the sentence.

Even experienced teachers ________ make mistakes.

[　　]

Choose the best answer which can complete the sentence.

A new stadium is being built ________ used to be a place to put rubbish.

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Half of the money ________ on the project which ________ thousands of dollars.

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A．has been spent; will be cost

B．has been paid; will cost

C．has wasted; will spend

D．has been spent; will cost

Choose the best answer which can complete the sentence.

The child insisted that he ________ the candy hidden in the box.

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Choose the best answer which can complete the sentence.

One can hardly imagine ________ on a lifeless planet.

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