1 . I have often thought it would be a blessing ________________ (如果每个人突然失明、失聪) for a few days at some time during his early adult life.(虚拟语气)
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2 . 我不是一名宇航员。如果我有机会去月球,我会迫不及待地接受它。(if)
I am not an astronaut.________ .
I am not an astronaut.
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