30. _______ from other continents for millions of years, Australia has many plan

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30. _______ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.

A．Being separated	B．Having separated
C．Having been separated	D．To be separated

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略

举一反三

37. With the guide _______ the way, we finally got to the village which we were looking for.

A．led

B．leading

C．to lead

D．had led

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15．________ this land our home, we will fight until we die

A．Making

B．Having made

C．To make

D．Made

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16．With a final conclusion _____, the meeting ended at 4:30 p.m. last Monday.

A．to draw

B．to be drawn

C．drawn

D．Drawing

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17．The movie is to deucate people about environmental problems ______ our planet.

A．threatened

B．being threatened

C．threatening

D．to be threatened

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30．When he came back, he found the bag he had________over the seat was gone.

A．left to hang

B．left hanging

C．to leave hung

D．to leave hanging

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