Yancy always lets the cat out of the bag when he knows what we got Dad for Father's Day! What is the meaning of the underlined figure of speech?

It means that he always tells or says what they got their dad.

Explanation:

the sun warms our planet, and with the moon, creates the tides. the moon orbits the earth and in turn, the earth orbits the sun. because they appear to be the same size in the sky, the sun, earth and moon work together to create eclipses. when the moon is directly in between the earth and sun

the apollo program, also known as project apollo, was the third united states human spaceflight program carried out by the national aeronautics and space administration (nasa), which succeeded in landing the first humans on the moon from 1969 to 1972.