We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.

 A. when; which  B. which; when  C. what; that    D. on which; when

A


解析:

選擇定語(yǔ)從句的關(guān)系詞關(guān)鍵在于區(qū)別關(guān)系詞在從句中作什么成分。第一個(gè)先行詞the days在從句中作狀語(yǔ)，故用when或on which； 而第二個(gè)the days在從句中作spent的賓語(yǔ)必須用which或that。綜合兩個(gè)空，只能選A。

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