7. He pointed at the new car and asked, "___ is it? Have you ever seen it before?"

• A、Why

• B、Where

• C、 Who  

• D、Whose

16. Moviegoers know that many special effects are created by computers,         they often don' tknow is that these scenes still require a lot of work.

• A、That 

• B、 Whom
  

• C、 What

• D、How

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