问题
So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食)．
A:did the sky turn dark
B:the sky did turn dark
C:turned the sky dark
D:was the sky turned dark
B:the sky did turn dark
C:turned the sky dark
D:was the sky turned dark
正确答案是：
同类题型
It was a difficult job for him. He had tried everything but it made little .
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Mrs Smith, keep an eye on your child. Don’t leave him around the street.— Thanks for reminding me.
Lucy likes playing ________ ping-pong, but her sister Lily likes playing ______ guitar.