Which driver ________ for the accident hasn’t been decided.

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I have bought the same trousers _______ he is wearing.

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He went into great _______ about his new house.

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You’ve made _______ mistakes in the writing that we couldn’t catch what you meant.

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Customers are asked to make sure that they _______ the right change before leaving the shop.

[　　]

I have to go to work by taxi because my car _______ at the garage.

[　　]

Although the causes of cancer _______, we do not yet have any practical way to prevent it.

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I didn’t like Aunt Lucy, who _______ without warning and bringing us presents.

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It was his strong communication skills which _______ in the interview that finally _______ his position as the sales agent in this area.

[　　]

Enough _______ to stop the forest _______ since the 1980’s.

[　　]

A．has been done; be cut down

B．has done; cutting down

C．has been done; being cut down

D．had done; from being cut down