Which of the following is an opinion? A: There are clouds in the sky. B: The sky is blue. C: I think it will rain. D: It has not rained this month.

每天天不亮戴着星星去排队。( ) A: We had to queue up before dawn when there were still stars in the sky. B: We had to queue up before dawn and wear the stars. C: We had to wear the stars to queue up before dawn. D: Everyday when the sky is not bright, we will go and queue up while the stars were still in the sky.

Given the following scripts， what output would be generated？（） A: The sky is red. B: The sky is blue. C: The sky is green. D: The sky is yellow.

There are ________ stars in the sky.

Prior to the formation of a tornado,_________. A: the sky is cloudy B: the sky is very dark C: the sky is cloudless D: a black line stretches across the horizon

The ancient people believed that ______. A: the earth was spinning on the axis of the sky B: the sky was a hollow sphere spinning around the earth C: the patterns of stars on the sky would never change D: the stars around the sky were not stationary

Mercury is the brightest planet in the sky.

We can infer from the passage that there were some women scientists ______. A: on board Sky Lab before 1962 B: on board Sky Lab before 1965 C: on board Sky Lab after 1962 D: on board Sky Lab after 1965

He saw the _____ of a house against the sky.

The skyscraper stands out _the blue sky.