天文望远镜对准了夜空中的银河系。

The ___telescope is pointed at the Milky Way in the night ___sky.

夜晚的天空布满了星星。

The night ___sky is full of stars.

多云的天空意味着今天可能下雨。

The cloudy ___sky suggests it might rain today.

他的想象力无边无际，就像天空一样广阔。

His imagination knows no bounds, just like the ___sky.