In order to make our city green, ________.

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A．it is necessary to have planted more trees

B．many more trees need to plant

C．our city needs more trees

D．we must plant more trees

Mr Smith, ________ of the ________ speech, started to read a novel.

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________ it or not, the boy has travelled over ten countries by bike.

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The bus rolled into the valley, ________ ten deaths and more wounded.

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________ in thought, he didn't notice that everyone ________.

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A．Lost; had gone

B．Losing; gone

C．Being lost; went

D．To be lost; went

________ the end of six months, Karl Marx ________ Russian well enough to read books in it.

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A．By; had learned

B．At; had learned

C．In; learned

D．At; learned

Was it in the street ________ you met the famous musicians?

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________ a reply from his friend, he decided to write to her again.

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A．Received

B．Not received

C．Not having received

D．Having not received

Jackie, as well as his brother and parents, ________ to the park on Wednesdays.

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He is a good director, ________ he made a film, his film was well received

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